US Bridges

RTE 100 over 9A87032076

Good

Westchester County, New York · JCT Rts 9A + 100C · Structure no. 000000001006110

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
11,717
2017 count
Owner
State
State Highway Agency

About this bridge

RTE 100 over 9A87032076 is a steel stringer/multi-beam or girder carrying RTE 100 over 9A87032076 in Westchester County, New York. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,717 vehicles a day, roughly 5% of them trucks, projected to reach 11,772 by 2041. The structure is 95 ft (29 m) long and 69 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRTE 100
Crosses9A87032076
LocationJCT Rts 9A + 100C
RouteState Highway 100
CountyWestchester County
StateNew York
Coordinates41.07628, -73.81778
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating73 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length95 ft (29 m)
Longest span90 ft (27.4 m)
Deck width69 ft (20.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic11,717 (2017)
Projected traffic11,772 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$6.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 100 over 9A87032076 built?

It was built in 2021, making it 4 years old in 2025.

What condition is RTE 100 over 9A87032076 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 November 2023.

How much traffic does RTE 100 over 9A87032076 carry?

About 11,717 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is RTE 100 over 9A87032076?

The structure is 95 ft (29 m) long with a longest span of 90 ft (27.4 m) and a deck 69 ft wide.

Who owns RTE 100 over 9A87032076?

It is owned by the State Highway Agency.