US Bridges

RTE 9A over SH100 & 141 Ramps SH100

Fair

Westchester County, New York · JCT SH 9A & SH100 & SH141 · Structure no. 000000001091032

Built
1972
53 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
163 ft
3 main spans
Daily traffic
9,083
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 9A over SH100 & 141 Ramps SH100 is a steel stringer/multi-beam or girder carrying RTE 9A over SH100 & 141 Ramps SH100 in Westchester County, New York. It was built in 1972, 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 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 9,083 vehicles a day, roughly 18% of them trucks, projected to reach 11,034 by 2041. The structure is 163 ft (49.7 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE 9A
CrossesSH100 & 141 Ramps SH100
LocationJCT SH 9A & SH100 & SH141
RouteState Highway 9A
CountyWestchester County
StateNew York
Coordinates41.10674, -73.80684
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span63 ft (19.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,083 (2018)
Projected traffic11,034 by 2041
Trucks18%
Lanes on structure2
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$3.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 9A over SH100 & 141 Ramps SH100 built?

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

What condition is RTE 9A over SH100 & 141 Ramps SH100 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 March 2023.

How much traffic does RTE 9A over SH100 & 141 Ramps SH100 carry?

About 9,083 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is RTE 9A over SH100 & 141 Ramps SH100?

The structure is 163 ft (49.7 m) long with a longest span of 63 ft (19.2 m) and a deck 33 ft wide.

Who owns RTE 9A over SH100 & 141 Ramps SH100?

It is owned by the State Highway Agency.