US Bridges

County Road 31 over Trib to Otsego Lk

Fair

Otsego County, New York · 2.2 MI NE Cooperstown · Structure no. 000000003354240

Built
2000
25 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
89 ft
1 main span
Daily traffic
1,184
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 31 over Trib to Otsego Lk is a steel stringer/multi-beam or girder carrying County Road 31 over Trib to Otsego Lk in Otsego County, New York. It was built in 2000, so it is 25 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 6 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 1,184 vehicles a day, roughly 2% of them trucks, projected to reach 1,235 by 2041. The structure is 89 ft (27.1 m) long and 31 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesCounty Road 31
CrossesTrib to Otsego Lk
Location2.2 MI NE Cooperstown
RouteCounty Highway 0
CountyOtsego County
StateNew York
Coordinates42.75972, -74.88374
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length89 ft (27.1 m)
Longest span85 ft (25.9 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,184 (2018)
Projected traffic1,235 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 31 over Trib to Otsego Lk built?

It was built in 2000, making it 25 years old in 2025.

What condition is County Road 31 over Trib to Otsego Lk 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 County Road 31 over Trib to Otsego Lk carry?

About 1,184 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is County Road 31 over Trib to Otsego Lk?

The structure is 89 ft (27.1 m) long with a longest span of 85 ft (25.9 m) and a deck 31 ft wide.

Who owns County Road 31 over Trib to Otsego Lk?

It is owned by the County Highway Agency.