National Bridge Inventory: New York Congressional District 18


  • Of the 1,679 bridges in the counties of this district, 199, or 11.9 percent, are classified as structurally deficient. This means one of the key elements is in poor or worse condition.
  • This is up from 152 bridges classified as structurally deficient in 2017.
  • 92 bridges are posted for load, which may restrict the size and weight of vehicles crossing the structure.
  • Repairs are needed on 1,678 bridges in the district, which will cost an estimated $2.5 billion.
  • This compares to 1,676 bridges that needed work in 2017.

County Year Built Daily Crossings Type of Bridge Location
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
Orange 1954 49,801 Urban Interstate Rte I87 over Rte 32
Orange 1953 49,801 Urban Interstate Rte I87 over Rte 207
Westchester 1928 46,832 Urban other principal arterial Rte 9A over Pocantico River
Dutchess 1966 37,836 Urban freeway/expressway Rte 9 over Railroad Plaza
Westchester 1958 35,663 Urban freeway/expressway Rte 907G over Rte 987F, Sprain Brook
Orange 1963 33,848 Urban Interstate Rte I84 over Amtrak, Grand Avenue, Hu
Westchester 1957 33,264 Urban freeway/expressway Rte 987D over Saw Mill River, Ex-Nycrr
Dutchess 1963 27,733 Urban Interstate Rte I84 over Fishkill Creek
Orange 1968 27,013 Urban Interstate Rte I84 over Middletown & NJ Railroad
Dutchess 1968 26,344 Urban Interstate Rte I84 over Hosner Mountain Road
Orange 1969 25,510 Urban Interstate Rte I84 over MNRR Pj Line
Orange 1969 25,510 Urban Interstate Rte I84 over Middletown & NJ RR
Orange 1932 23,945 Urban other principal arterial Rte 9W over Moodna Creek
Westchester 1966 23,500 Urban other principal arterial Rte 35 over 684I684I87011178, Rte I6
Orange 1968 23,437 Urban Interstate Rte I84 over Middletown & NJ Railroad
Dutchess 1964 22,696 Urban other principal arterial Rte 9D over 84I 84I82021014, Rte I84
Dutchess 1965 22,552 Urban freeway/expressway Rte 9 over Laurel Street
Orange 1969 20,910 Urban Interstate Rte I84 over Middletown & NJ RR
Orange 1969 20,910 Urban Interstate Rte I84 over MNRR Pj Line
Dutchess 1958 20,306 Urban minor arterial Rte 113 over 9 9 82051122, Rte 9
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 7,288 379,724 2 1,171 31,987
Rural arterial 30 12,603 374,180 4 938 36,258
Rural minor arterial 18 4,076 72,480 1 402 4,024
Rural major collector 38 12,416 123,434 3 1,249 4,836
Rural minor collector 46 8,158 53,355 7 718 8,889
Rural local road 119 23,393 50,138 21 2,299 6,175
Urban Interstate 224 340,099 8,338,342 15 43,890 447,582
Urban freeway/expressway 239 172,918 8,056,436 10 14,143 431,825
Urban other principal arterial 182 121,072 2,961,424 18 17,793 304,451
Urban minor arterial 237 130,389 2,097,345 29 13,922 249,810
Urban collector 210 87,382 956,622 36 16,395 148,364
Urban local road 324 94,773 548,653 53 15,293 106,064
Total 1,679 1,014,569 24,012,133 199 128,213 1,780,265
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 1,389 $2,168.0 21,257,042 867,622
Rehabilitation 6 $9.2 15,865 3,708
Deck rehabilitation/replacement 273 $351.2 2,723,596 140,102
Other structural work 10 $6.6 1,450 2,604
Total 1,678 $2,535.0 23,997,953 1,014,036

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