US Bridges

RTE 100 over 987F 987F87012080 RTE 9

Good

Westchester County, New York · JCT RTE 100+SBP · Structure no. 000000001091110

Built
1972
53 years old, rebuilt 2015
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
229 ft
2 main spans
Daily traffic
7,530
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 100 over 987F 987F87012080 RTE 9 is a steel stringer/multi-beam or girder carrying RTE 100 over 987F 987F87012080 RTE 9 in Westchester County, New York. It was built in 1972 and reconstructed in 2015, so it is 53 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 7,530 vehicles a day, roughly 7% of them trucks, projected to reach 9,147 by 2041. The structure is 229 ft (69.8 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRTE 100
Crosses987F 987F87012080 RTE 9
LocationJCT RTE 100+SBP
RouteState Highway 100
CountyWestchester County
StateNew York
Coordinates41.09528, -73.80227
Functional classUrban Minor Arterial

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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating86 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span115 ft (35 m)
Deck width64 ft (19.6 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,530 (2019)
Projected traffic9,147 by 2041
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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$15.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 100 over 987F 987F87012080 RTE 9 built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2015.

What condition is RTE 100 over 987F 987F87012080 RTE 9 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 100 over 987F 987F87012080 RTE 9 carry?

About 7,530 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is RTE 100 over 987F 987F87012080 RTE 9?

The structure is 229 ft (69.8 m) long with a longest span of 115 ft (35 m) and a deck 64 ft wide.

Who owns RTE 100 over 987F 987F87012080 RTE 9?

It is owned by the State Highway Agency.