US Bridges

RTE 8 over Trib to W Br Unadilla Ri

Good

Oneida County, New York · 0.7M N of NY8/US20 · Structure no. 000000001080320

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
4,372
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 8 over Trib to W Br Unadilla Ri is a concrete culvert carrying RTE 8 over Trib to W Br Unadilla Ri in Oneida County, New York. It was built in 2022, so it is 3 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,372 vehicles a day, roughly 14% of them trucks, projected to reach 4,715 by 2041. The structure is 26 ft (7.9 m) long and 46 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesRTE 8
CrossesTrib to W Br Unadilla Ri
Location0.7M N of NY8/US20
RouteState Highway 8
CountyOneida County
StateNew York
Coordinates42.88941, -75.24786
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width46 ft (14 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic4,372 (2021)
Projected traffic4,715 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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$412,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 8 over Trib to W Br Unadilla Ri built?

It was built in 2022, making it 3 years old in 2025.

What condition is RTE 8 over Trib to W Br Unadilla Ri 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 September 2024.

How much traffic does RTE 8 over Trib to W Br Unadilla Ri carry?

About 4,372 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is RTE 8 over Trib to W Br Unadilla Ri?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 46 ft wide.

Who owns RTE 8 over Trib to W Br Unadilla Ri?

It is owned by the State Highway Agency.