National Bridge Inventory: New York Congressional District 17


  • Of the 1,015 bridges in the counties of this district, 88, or 8.7 percent, are classified as structurally deficient. This means one of the key elements is in poor or worse condition.
  • This is up from 63 bridges classified as structurally deficient in 2017.
  • 49 bridges are posted for load, which may restrict the size and weight of vehicles crossing the structure.
  • Repairs are needed on 1,014 bridges in the district, which will cost an estimated $2.5 billion.
  • This compares to 1,008 bridges that needed work in 2017.

County Year Built Daily Crossings Type of Bridge Location
Rockland 1953 121,953 Urban Interstate Rte I87 over Route 59 WB, Rte 59
Rockland 1953 121,953 Urban Interstate Rte I87 over Rte 303
Rockland 1953 100,783 Urban Interstate Rte I87 over Rte 45
Rockland 1954 100,783 Urban Interstate Rte I87 over Saddle Rv Rd-Cr73
Rockland 1953 92,200 Urban Interstate Rte I87 over 202 WB, Rte 202, Washing
Westchester 1983 83,234 Urban freeway/expressway Rte 907K over 907G X, Mc Questen Avenu
Westchester 1972 82,530 Urban Interstate Rte I684 over Muscoot Res Outle
Westchester 1940 80,189 Urban freeway/expressway Rte 987D over Rte 907K
Westchester 1927 62,058 Urban freeway/expressway Rte 987D over Saw Mill River
Westchester 1954 59,852 Urban freeway/expressway Rte 907K over 1 X, 87Ix, Rte I87, Rt
Westchester 1928 46,832 Urban other principal arterial Rte 9A over Pocantico River
Westchester 1958 35,663 Urban freeway/expressway Rte 907G over Rte 987F, Sprain Brook
Westchester 1957 33,264 Urban freeway/expressway Rte 987D over Saw Mill River, Ex-Nycrr
Westchester 1966 23,500 Urban other principal arterial Rte 35 over 684I684I87011178, Rte I6
Rockland 1931 21,126 Urban other principal arterial Rte 59 over Pascack Creek
Rockland 1931 21,126 Urban other principal arterial Rte 59 over Pascack Rd Cord22
Westchester 1954 18,387 Urban other principal arterial North Avenue over 95Ix-SB, Rte I95
Westchester 1965 17,981 Urban minor arterial New Rochelle Road over 907Kx WB, Rte 907K
Westchester 1927 17,177 Urban freeway/expressway Rte 987G over MNRR Ha Line
Westchester 1942 16,856 Urban other principal arterial Rte 117 over Parking Access Road, Mnr
Westchester 1926 15,568 Urban other principal arterial Rte 1 over Byram River
Westchester 1958 13,436 Urban other principal arterial Rte 1 over 95Ix South Bound, Rte I9
Westchester 1936 12,519 Urban other principal arterial Rte 1C over Rte 9A
Rockland 1967 12,488 Urban minor arterial Sterling Mine Rd over 17 17 85111021 SB, Rte
Westchester 1912 11,994 Urban minor arterial South Fulton Ave over Building
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 0 0 0 0 0 0
Rural arterial 0 0 0 0 0 0
Rural minor arterial 0 0 0 0 0 0
Rural major collector 0 0 0 0 0 0
Rural minor collector 0 0 0 0 0 0
Rural local road 2 699 1,240 0 0 0
Urban Interstate 136 504,403 7,399,974 8 16,782 630,311
Urban freeway/expressway 235 167,481 7,386,881 9 11,394 371,584
Urban other principal arterial 158 103,242 2,715,604 12 9,389 219,457
Urban minor arterial 211 113,400 1,688,259 15 8,332 111,099
Urban collector 104 50,291 509,326 13 10,212 66,251
Urban local road 169 57,348 340,075 31 12,183 80,776
Total 1,015 996,865 20,041,359 88 68,293 1,479,478
Type of Work Number of Bridges Cost to Repair
(in millions)
Daily Crossings Area of Bridges
(sq. meters)
Bridge replacement 0 $0.0 0 0
Widening & rehabilitation 891 $2,251.3 18,211,468 903,518
Rehabilitation 0 $0.0 0 0
Deck rehabilitation/replacement 123 $232.3 1,815,711 92,813
Other structural work 0 $0.0 0 0
Total 1,014 $2,483.5 20,027,179 996,331

Data includes information for the following area(s): Rockland County, Westchester County

About the data:

Data is from the Federal Highway Administration (FHWA) National Bridge Inventory (NBI), downloaded on January 3, 2022. 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 January 3, 2022.

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 2020 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.

12
Compared to 13 in 2020

in the nation in % of structurally deficient bridges

1. West Virginia 20.4%
11. Oklahoma 9.9%
12. New York 9.5%
13. Missouri 9.0%

6
Compared to 8 in 2020

in the nation in # of structurally deficient bridges

1. Iowa 4,504
5. Missouri 2,218
6. New York 1,672
7. Louisiana 1,631

5
Compared to 5 in 2020

in the nation in % of structurally deficient bridge deck area

1. Rhode Island 19.5%
4. Massachusetts 11.3%
5. New York 10.5%
6. South Dakota 9.7%
Full State Ranking

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  • Source: Data is from the Federal Highway Administration (FHWA) National Bridge Inventory (NBI), downloaded on January 3, 2022. Note that specific conditions on bridges may have changed as a result of recent work or updated inspections.

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