National Bridge Inventory: New Jersey



  • Of the 6,801 bridges in the state, 502, or 7.4 percent, are classified as structurally deficient. This means one of the key elements is in poor or worse condition.
  • This is down from 568 bridges classified as structurally deficient in 2016.
  • The deck area of structurally deficient bridges accounts for 7.2 percent of total deck area on all structures.
  • 33 of the structurally deficient bridges are on the Interstate Highway System. A total of 66.5 percent of the structurally deficient bridges are not on the National Highway System, which includes the Interstate and other key roads linking major airports, ports, rail and truck terminals.
  • 293 bridges are posted for load, which may restrict the size and weight of vehicles crossing the structure.
  • The state has identified needed repairs on 2,433 bridges at an estimated cost of $12.0 billion.
  • This compares to 2,266 bridges that needed work in 2016.

County Year Built Daily Crossings Type of Bridge Location
Passaic 1969 159,732 Urban Interstate I-80 over Pas Riv,Mcbride & Rvrvw
Hudson 1939 157,250 Urban freeway/expressway NJ 495 over US1&9,Paterson Plank Rd
Essex 1970 130,764 Urban Interstate Njtpk Snw&Nsw Rwy over Passaic Riv,Pcrr,Crr,Con
Bergen 1931 126,781 Urban freeway/expressway NJ 17 over West Central Avenue
Passaic 1939 122,034 Urban other principal arterial US 46 over Lower Notch Road
Morris 1959 116,241 Urban Interstate I-80 Eastbound over Rockaway River
Hudson 1929 113,235 Urban freeway/expressway NJ Rt 3 over Northern Sec. & Ramp A
Hudson 1951 108,630 Urban freeway/expressway NJ495EB &Rmps B, J over NJ 3 EB & US 1 Ramp
Hunterdon 1941 108,178 Urban Interstate I-78 over Beaver Brook
Bergen 1932 106,984 Urban freeway/expressway NJ 17 over NYS & W RR Spur
Bergen 1931 106,984 Urban freeway/expressway NJ 17 over NYS & W RR
Bergen 1931 94,100 Urban freeway/expressway NJ 4 over Grand Ave. (NJ 93,CR501)
Bergen 1931 88,484 Urban freeway/expressway NJ 4 over Hackensack Rivr & Road
Bergen 1931 85,515 Urban freeway/expressway NJ 4 over Palsd Av,Wndsr Rd&CSX RR
Camden 1956 85,233 Urban Interstate I-76 over Newton Ck,Klemm Av&Conrl
Bergen 1931 84,720 Urban freeway/expressway NJ 4 over Teaneck Road
Hudson 1932 84,700 Urban freeway/expressway U.S. 1+9 over Passaic+Hacken Riv+ Rds
Essex 1932 84,700 Urban freeway/expressway U.S. 1+9 over Passaic R,NJ Tpk,Conrail
Camden 1956 77,120 Urban Interstate I-676 NB & Ramp Fn over Newton Creek
Essex 1953 76,500 Urban other principal arterial Sprgfld & Clnt Ave over Garden State Parkway
Hudson 1927 74,195 Urban other principal arterial NJ 139 over Frmr.Erie Lackawanna RR
Camden 1956 73,502 Urban freeway/expressway NJ 42 SB over S. Br. Big Timber Creek
Hudson 1963 73,260 Urban freeway/expressway Njrt 3EB&S.Svc. Rd over Rt 495 Ramp J
Union 1929 70,816 Urban other principal arterial US 22 over Echo Lake
Burlington 1925 69,349 Urban other principal arterial US 130 over Pompeston Creek
Type of Bridge Number of Bridges Area of All Bridges
(sq. meters)
Daily Crossings on All Bridges Number of Structurally Deficient Bridges Area of Structurally Deficient Bridges
(sq. meters)
Daily Crossings on Structurally Deficient Bridges
Rural Interstate 56 100,064 2,558,038 2 1,278 110,971
Rural arterial 82 171,873 1,922,081 9 7,336 179,467
Rural minor arterial 81 45,838 602,217 11 5,830 86,712
Rural major collector 160 51,403 612,371 16 4,468 52,747
Rural minor collector 78 20,532 184,972 4 439 8,321
Rural local road 541 95,778 445,503 42 3,985 25,438
Urban Interstate 1,077 2,735,871 62,466,770 31 121,229 1,544,422
Urban freeway/expressway 849 1,397,895 45,972,689 24 132,199 1,665,954
Urban other principal arterial 919 1,321,406 26,770,751 97 119,653 2,459,803
Urban minor arterial 1,218 877,176 14,931,461 126 103,213 1,588,833
Urban collector 729 329,434 4,522,127 62 20,098 353,046
Urban local road 1,011 371,000 3,533,169 78 16,409 161,095
Total 6,801 7,518,269 164,522,149 502 536,136 8,236,809
Type of Work Number of Bridges Cost to Repair
(in millions)
Daily Crossings Area of Bridges
(sq. meters)
Bridge replacement 662 $2,445 10,348,611 420,906
Widening & rehabilitation 583 $1,936 11,095,477 499,865
Rehabilitation 218 $2,180 4,662,725 568,225
Deck rehabilitation/replacement 100 $312 2,753,527 80,262
Other structural work 870 $5,139 21,259,197 1,329,007
Total 2,433 $12,012 50,119,537 2,898,266

About the data:

Data is from the Federal Highway Administration (FHWA) National Bridge Inventory (NBI), downloaded on March 11, 2021. Note that specific conditions on bridges may have changed as a result of recent work or updated inspections. Cost estimates were downloaded by ARTBA on March 11, 2021.

Effective January 1, 2018, FHWA changed the definition of structurally deficient as part of the final rule on highway and bridge performance measures, published May 20, 2017 pursuant to the 2012 federal aid highway bill Moving Ahead for Progress in the 21st Century Act (MAP-21). Two measures that were previously used to classify bridges as structurally deficient are no longer used. This includes bridges where the overall structural evaluation was rated in poor or worse condition, or where the adequacy of waterway openings was insufficient.

The new definition limits the classification to bridges where one of the key structural elements—the deck, superstructure, substructure or culverts, are rated in poor or worse condition. During inspection, the conditions of a variety of bridge elements are rated on a scale of 0 (failed condition) to 9 (excellent condition). A rating of 4 is considered “poor” condition.

Cost estimates have been derived by ARTBA, based on 2019 average bridge replacement costs for structures on and off the National Highway System, published by FHWA. Bridge rehabilitation costs are estimated to be 68 percent of replacement costs. A bridge is considered to need repair if the structure has identified repairs as part of the NBI, a repair cost estimate is supplied by the bridge owner or the bridge is classified as structurally deficient. Please note that for a few states, the number of bridges needing to be repaired can vary significantly from year to year, and reflects the data entered by the state.

Bridges are classified by FHWA into types based on the functional classification of the roadway on the bridge. Interstates comprise routes officially designated by the Secretary of Transportation. Other principal arterials serve major centers of urban areas or provide mobility through rural areas. Freeways and expressways have directional lanes generally separated by a physical barrier, and access/egress points generally limited to on- and off-ramps. Minor arterials serve smaller areas and are used for trips of moderate length. Collectors funnel traffic from local roads to the arterial network; major collectors have higher speed limits and traffic volumes and are longer in length and spaced at greater intervals, while minor collectors are shorter and provide service to smaller communities. Local roads do not carry through traffic and are intended for short distance travel.

22
Compared to 23 in 2019

in the nation in % of structurally deficient bridges

1. West Virginia 21.2%
21. North Carolina 7.8%
22. New Jersey 7.4%
23. Hawaii 7.3%

27
Compared to 27 in 2019

in the nation in # of structurally deficient bridges

1. Iowa 4,571
26. Virginia 577
27. New Jersey 502
28. Colorado 481

19
Compared to 21 in 2019

in the nation in % of structurally deficient bridge deck area

1. Rhode Island 21.0%
18. Alaska 7.0%
19. New Jersey 7.0%
20. New Hampshire 7.0%
Full State Ranking

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  • Source: Data is from the Federal Highway Administration (FHWA) National Bridge Inventory (NBI), downloaded on March 11, 2021. Note that specific conditions on bridges may have changed as a result of recent work or updated inspections.

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