US Bridges

RTE 12 over Chen Rvr Overflow

Fair

Chenango County, New York · In N Norwich · Structure no. 000000001009380

Built
1928
97 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
6,144
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 12 over Chen Rvr Overflow is a steel stringer/multi-beam or girder carrying RTE 12 over Chen Rvr Overflow in Chenango County, New York. It was built in 1928, so it is 97 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 6,144 vehicles a day, roughly 9% of them trucks, projected to reach 6,202 by 2041. The structure is 31 ft (9.4 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE 12
CrossesChen Rvr Overflow
LocationIn N Norwich
RouteState Highway 12
CountyChenango County
StateNew York
Coordinates42.61882, -75.51442
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating68 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,144 (2021)
Projected traffic6,202 by 2041
Trucks9%
Lanes on structure2
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$667,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 12 over Chen Rvr Overflow built?

It was built in 1928, making it 97 years old in 2025.

What condition is RTE 12 over Chen Rvr Overflow 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 April 2024.

How much traffic does RTE 12 over Chen Rvr Overflow carry?

About 6,144 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is RTE 12 over Chen Rvr Overflow?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 39 ft wide.

Who owns RTE 12 over Chen Rvr Overflow?

It is owned by the State Highway Agency.