US Bridges

County Road 27B over Trib Genesee River

Good

Allegany County, New York · .9 Mile SE of Rossburg · Structure no. 000000003330320

Built
2015
10 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
83
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 27B over Trib Genesee River is a prestressed concrete box beam or girders - multiple carrying County Road 27B over Trib Genesee River in Allegany County, New York. It was built in 2015, so it is 10 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 83 vehicles a day, roughly 19% of them trucks, projected to reach 116 by 2038. The structure is 35 ft (10.7 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCounty Road 27B
CrossesTrib Genesee River
Location.9 Mile SE of Rossburg
RouteCounty Highway 0
Coordinates42.48777, -78.05765
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating49.2 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83 (2018)
Projected traffic116 by 2038
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 27B over Trib Genesee River built?

It was built in 2015, making it 10 years old in 2025.

What condition is County Road 27B over Trib Genesee River 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 December 2023.

How much traffic does County Road 27B over Trib Genesee River carry?

About 83 vehicles per day (2018 count), of which roughly 19% are trucks.

How long is County Road 27B over Trib Genesee River?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns County Road 27B over Trib Genesee River?

It is owned by the County Highway Agency.