US Bridges

RTE 987G over RTE 100

Poor

Westchester County, New York · 0.1 MI N Tsp SB Exit 8 · Structure no. 000000001036121

Built
1968
57 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
254 ft
3 main spans
Daily traffic
31,647
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 987G over RTE 100 is a steel stringer/multi-beam or girder carrying RTE 987G over RTE 100 in Westchester County, New York. It was built in 1968, so it is 57 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 31,647 vehicles a day, roughly 1% of them trucks, projected to reach 44,643 by 2041. The structure is 254 ft (77.4 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 987G
CrossesRTE 100
Location0.1 MI N Tsp SB Exit 8
Coordinates41.18497, -73.80738
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.9 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span129 ft (39.3 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,647 (2021)
Projected traffic44,643 by 2041
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$8.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 987G over RTE 100 built?

It was built in 1968, making it 57 years old in 2025.

What condition is RTE 987G over RTE 100 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does RTE 987G over RTE 100 carry?

About 31,647 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is RTE 987G over RTE 100?

The structure is 254 ft (77.4 m) long with a longest span of 129 ft (39.3 m) and a deck 45 ft wide.

Who owns RTE 987G over RTE 100?

It is owned by the State Highway Agency.