US Bridges

County Road 19 over Unadilla River

Fair

Otsego County, New York · 2.8 MI S. Unadilla Forks · Structure no. 000000003354060

Built
1935
90 years old, rebuilt 1994
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
845
2017 count
Owner
County
County Highway Agency

About this bridge

County Road 19 over Unadilla River is a prestressed concrete box beam or girders - multiple carrying County Road 19 over Unadilla River in Otsego County, New York. It was built in 1935 and reconstructed in 1994, so it is 90 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 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 845 vehicles a day, roughly 7% of them trucks, projected to reach 1,183 by 2037. The structure is 74 ft (22.6 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCounty Road 19
CrossesUnadilla River
Location2.8 MI S. Unadilla Forks
RouteCounty Highway 0
CountyOtsego County
StateNew York
Coordinates42.80903, -75.24875
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating66.7 US tons
Inventory rating25.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span71 ft (21.6 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic845 (2017)
Projected traffic1,183 by 2037
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 19 over Unadilla River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1994.

What condition is County Road 19 over Unadilla River 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 May 2024.

How much traffic does County Road 19 over Unadilla River carry?

About 845 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is County Road 19 over Unadilla River?

The structure is 74 ft (22.6 m) long with a longest span of 71 ft (21.6 m) and a deck 29 ft wide.

Who owns County Road 19 over Unadilla River?

It is owned by the County Highway Agency.