US Bridges

Underhill Avenue over RTE 987G

Fair

Westchester County, New York · 3.1 MI S JCT Tsp & US 202 · Structure no. 000000005502240

Built
1951
74 years old
Condition
Fair
inspected April 2024
Type
Frame
Concrete
Length
94 ft
1 main span
Daily traffic
7,646
2021 count
Owner
State
State Highway Agency

About this bridge

Underhill Avenue over RTE 987G is a concrete frame carrying Underhill Avenue over RTE 987G in Westchester County, New York. It was built in 1951, so it is 74 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 5 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 7,646 vehicles a day, roughly 3% of them trucks, projected to reach 9,288 by 2041. The structure is 94 ft (28.7 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUnderhill Avenue
CrossesRTE 987G
Location3.1 MI S JCT Tsp & US 202
RouteCounty Highway 0
CountyWestchester County
StateNew York
Coordinates41.25375, -73.80883
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.5 US tons
Inventory rating32.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span86 ft (26.2 m)
Deck width37 ft (11.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,646 (2021)
Projected traffic9,288 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Underhill Avenue over RTE 987G built?

It was built in 1951, making it 74 years old in 2025.

What condition is Underhill Avenue over RTE 987G 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 April 2024.

How much traffic does Underhill Avenue over RTE 987G carry?

About 7,646 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Underhill Avenue over RTE 987G?

The structure is 94 ft (28.7 m) long with a longest span of 86 ft (26.2 m) and a deck 37 ft wide.

Who owns Underhill Avenue over RTE 987G?

It is owned by the State Highway Agency.