US Bridges

RTE 9 over County RTE 306 Annsvill

Fair

Westchester County, New York · 1.4 MI S Westch-Putnam Cl · Structure no. 000000001005150

Built
1950
75 years old, rebuilt 2013
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
284 ft
4 main spans
Daily traffic
15,565
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 9 over County RTE 306 Annsvill is a steel stringer/multi-beam or girder carrying RTE 9 over County RTE 306 Annsvill in Westchester County, New York. It was built in 1950 and reconstructed in 2013, so it is 75 years old, older 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 15,565 vehicles a day, roughly 6% of them trucks, projected to reach 15,638 by 2041. The structure is 284 ft (86.6 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 9
CrossesCounty RTE 306 Annsvill
Location1.4 MI S Westch-Putnam Cl
RouteU.S. Route 9
CountyWestchester County
StateNew York
Coordinates41.30853, -73.93069
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length284 ft (86.6 m)
Longest span80 ft (24.4 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,565 (2021)
Projected traffic15,638 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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$7.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9 over County RTE 306 Annsvill built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2013.

What condition is RTE 9 over County RTE 306 Annsvill 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 November 2023.

How much traffic does RTE 9 over County RTE 306 Annsvill carry?

About 15,565 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is RTE 9 over County RTE 306 Annsvill?

The structure is 284 ft (86.6 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.

Who owns RTE 9 over County RTE 306 Annsvill?

It is owned by the State Highway Agency.