US Bridges

Thompson Street over Bronx River

Fair

Westchester County, New York · 0.9 MI SE of Crestwood L · Structure no. 000000003348470

Built
1926
99 years old, rebuilt 1988
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
2 main spans
Daily traffic
1,858
2021 count
Owner
County
County Highway Agency

About this bridge

Thompson Street over Bronx River is a prestressed concrete box beam or girders - multiple carrying Thompson Street over Bronx River in Westchester County, New York. It was built in 1926 and reconstructed in 1988, so it is 99 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,858 vehicles a day, roughly 10% of them trucks, projected to reach 2,601 by 2041. The structure is 51 ft (15.5 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesThompson Street
CrossesBronx River
Location0.9 MI SE of Crestwood L
RouteCity Street 0
Coordinates40.95942, -73.82172
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating59 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span21 ft (6.4 m)
Deck width43 ft (13.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,858 (2021)
Projected traffic2,601 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thompson Street over Bronx River built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1988.

What condition is Thompson Street over Bronx River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Thompson Street over Bronx River carry?

About 1,858 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Thompson Street over Bronx River?

The structure is 51 ft (15.5 m) long with a longest span of 21 ft (6.4 m) and a deck 43 ft wide.

Who owns Thompson Street over Bronx River?

It is owned by the County Highway Agency.