US Bridges

RTE 12 over Birdsall Creek

Good

Chenango County, New York · 0.4 MI NE JCT Rt 12 + 206 · Structure no. 000000001009280

Built
1964
61 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
5,654
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 12 over Birdsall Creek is a concrete slab carrying RTE 12 over Birdsall Creek in Chenango County, New York. It was built in 1964, so it is 61 years old, older 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 5,654 vehicles a day, roughly 11% of them trucks, projected to reach 5,707 by 2041. The structure is 26 ft (7.9 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 12
CrossesBirdsall Creek
Location0.4 MI NE JCT Rt 12 + 206
RouteState Highway 12
Coordinates42.33711, -75.76988
Functional classRural Principal Arterial - Other

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width49 ft (15 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,654 (2019)
Projected traffic5,707 by 2041
Trucks11%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 12 over Birdsall Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is RTE 12 over Birdsall Creek 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 May 2023.

How much traffic does RTE 12 over Birdsall Creek carry?

About 5,654 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is RTE 12 over Birdsall Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 49 ft wide.

Who owns RTE 12 over Birdsall Creek?

It is owned by the State Highway Agency.