US Bridges

County Road 7C over Trib Cuba Lake

Good

Allegany County, New York · 2.5 MI NW of I86 & SH 305 · Structure no. 000000003330240

Built
1986
39 years old
Condition
Good
inspected October 2024
Type
Slab
Wood or Timber
Length
41 ft
1 main span
Daily traffic
517
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 7C over Trib Cuba Lake is a wood or timber slab carrying County Road 7C over Trib Cuba Lake in Allegany County, New York. It was built in 1986, so it is 39 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 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 517 vehicles a day, roughly 7% of them trucks, projected to reach 724 by 2038. The structure is 41 ft (12.5 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty Road 7C
CrossesTrib Cuba Lake
Location2.5 MI NW of I86 & SH 305
RouteCounty Highway 0
Coordinates42.25652, -78.3038
Functional classRural Minor Collector

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span40 ft (12.1 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic517 (2018)
Projected traffic724 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$904,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 7C over Trib Cuba Lake built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 7C over Trib Cuba Lake 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 October 2024.

How much traffic does County Road 7C over Trib Cuba Lake carry?

About 517 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is County Road 7C over Trib Cuba Lake?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.1 m) and a deck 32 ft wide.

Who owns County Road 7C over Trib Cuba Lake?

It is owned by the County Highway Agency.