US Bridges

RTE 987G over Chappaqua RD

Good

Westchester County, New York · 1.8 MI S JCT Rt 133 &tsp · Structure no. 000000001074750

Built
1994
31 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
61,045
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 987G over Chappaqua RD is a steel stringer/multi-beam or girder carrying RTE 987G over Chappaqua RD in Westchester County, New York. It was built in 1994, so it is 31 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 61,045 vehicles a day, roughly 1% of them trucks, projected to reach 86,116 by 2041. The structure is 100 ft (30.5 m) long and 114 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRTE 987G
CrossesChappaqua RD
Location1.8 MI S JCT Rt 133 &tsp
RouteState Highway 987G
Coordinates41.15767, -73.81828
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span96 ft (29.2 m)
Deck width114 ft (34.7 m)
Roadway width107 ft (32.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61,045 (2021)
Projected traffic86,116 by 2041
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$11.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 987G over Chappaqua RD built?

It was built in 1994, making it 31 years old in 2025.

What condition is RTE 987G over Chappaqua RD in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does RTE 987G over Chappaqua RD carry?

About 61,045 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is RTE 987G over Chappaqua RD?

The structure is 100 ft (30.5 m) long with a longest span of 96 ft (29.2 m) and a deck 114 ft wide.

Who owns RTE 987G over Chappaqua RD?

It is owned by the State Highway Agency.