National Bridge Inventory: New York Congressional District 18


  • Of the 1,679 bridges in the counties of this district, 171, or 10.2 percent, are classified as structurally deficient. This means one of the key elements is in poor or worse condition.
  • This is down from 187 bridges classified as structurally deficient in 2014.
  • 105 bridges are posted for load, which may restrict the size and weight of vehicles crossing the structure.
  • Repairs are needed on 1,679 bridges in the district, which will cost an estimated $1.5 billion.

County Year Built Daily Crossings Type of Bridge Location
Westchester 1983 77,826 Urban freeway/expressway Rte 907K over Rte 907G, Bronx River, M
Westchester 1940 75,986 Urban freeway/expressway Rte 987D over Rte 907K
Westchester 1927 58,280 Urban freeway/expressway Rte 987D over Saw Mill River
Westchester 1954 55,259 Urban freeway/expressway Rte 907K over Rte I87, Rte 1
Orange 1953 51,718 Urban Interstate Rte I87 over Rte 207
Westchester 1972 44,475 Urban freeway/expressway Rte 987F over Rte 987G
Westchester 1934 43,955 Urban freeway/expressway Rte 987D over Rte 119
Dutchess 1966 35,377 Urban freeway/expressway Rte 9 over Railroad Plaza
Westchester 1957 32,448 Urban freeway/expressway Rte 987D over Saw Mill River, Ex-Nycrr
Orange 1968 26,859 Urban Interstate Rte I84 over Norfolk Southern
Dutchess 1968 26,344 Urban Interstate Rte I84 over Hosner Mountain Road
Orange 1969 23,963 Urban Interstate Rte I84 over Norfolk Southern Railroa
Orange 1969 23,963 Urban Interstate Rte I84 over MNRR Pj Line
Orange 1941 23,898 Urban other principal arterial Rte 9W over Cr 107-Quaker Ave
Orange 1932 23,898 Urban other principal arterial Rte 9W over Moodna Creek
Westchester 1966 23,670 Urban other principal arterial Rte 35 over Rte I684
Orange 1968 23,437 Urban Interstate Rte I84 over Norfolk Southern
Dutchess 1964 22,581 Urban other principal arterial Rte 9D over Rte I84
Orange 1952 22,336 Urban other principal arterial Rte 9W over CSX Trans/Nwbg It, Quass
Westchester 1963 22,286 Urban freeway/expressway Rte 9 over Rte 129
Orange 1969 20,910 Urban Interstate Rte I84 over MNRR Pj Line
Dutchess 1958 20,232 Urban minor arterial Rte 113 over Rte 9
Westchester 1954 18,520 Urban other principal arterial North Avenue over Rte I95
Westchester 1942 16,927 Urban other principal arterial Rte 117 over MNRR Ha Line
Orange 1929 16,840 Urban other principal arterial Rte 6 over Neversink River
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 12 7,267 406,909 2 1,167 31,301
Rural arterial 28 11,855 318,804 3 1,201 25,419
Rural minor arterial 17 3,785 63,059 1 403 3,978
Rural major collector 38 12,329 119,405 5 1,449 8,749
Rural minor collector 49 8,195 54,815 7 695 3,049
Rural local road 125 24,591 45,470 18 2,489 4,847
Urban Interstate 236 349,488 4,883,776 14 17,018 250,301
Urban freeway/expressway 221 169,294 8,706,105 10 13,980 462,399
Urban other principal arterial 179 120,584 3,081,082 16 14,619 256,765
Urban minor arterial 236 130,612 1,989,175 23 10,428 189,114
Urban collector 209 89,439 913,576 27 10,593 108,720
Urban local road 329 98,204 523,622 45 9,313 83,634
Total 1,679 1,025,644 21,105,798 171 83,353 1,428,276
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 1,461 $1,451.2 19,224,172 943,365
Rehabilitation 5 $0.2 641 894
Deck rehabilitation/replacement 199 $94.0 1,879,210 78,449
Other structural work 14 $0.6 1,775 2,936
Total 1,679 $1,546.0 21,105,798 1,025,644

Data includes information for the following area(s): Dutchess County, Orange County, Putnam County, Westchester County

About the data:

Data from the Federal Highway Administration (FHWA) National Bridge Inventory (NBI), released March 15, 2019. Note that specific conditions on bridges may have changed as a result of recent work or updated inspections.

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 2017 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 cost estimate is supplied by the bridge owner or the bridge is classified as structurally deficient.

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.

13
from 13 in 2017

in the nation in % of structurally deficient bridges

1. Rhode Island 23.1%
12. North Carolina 10.2%
13. New York 10.0%
14. Alaska 9.7%

8
from 7 in 2017

in the nation in # of structurally deficient bridges

1. Iowa 4,675
7. California 1,812
8. New York 1,757
9. Louisiana 1,678
Full State Ranking

  • Source: Bridge data is from the 2018 National Bridge Inventory ASCII files, released by the Federal Highway Administration on March 14, 2019. Note that specific conditions on bridges may have changed as a result of recent work. ARTBA is a non-partisan federation whose primary goal is to aggressively grow and protect transportation infrastructure investment to meet the public and business demand for safe and efficient travel.
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