US Bridges

Mosher Hollow RD over Trb Conewango Crk

Good

Cattaraugus County, New York · .1 Mile NW of New Albion · Structure no. 000000003322730

Built
1991
34 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
386
2017 count
Owner
County
County Highway Agency

About this bridge

Mosher Hollow RD over Trb Conewango Crk is a prestressed concrete box beam or girders - multiple carrying Mosher Hollow RD over Trb Conewango Crk in Cattaraugus County, New York. It was built in 1991, so it is 34 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 386 vehicles a day, roughly 9% of them trucks, projected to reach 540 by 2037. The structure is 29 ft (8.8 m) long and 30 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesMosher Hollow RD
CrossesTrb Conewango Crk
Location.1 Mile NW of New Albion
RouteCounty Highway 0
Coordinates42.29092, -78.89059
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic386 (2017)
Projected traffic540 by 2037
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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$674,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mosher Hollow RD over Trb Conewango Crk built?

It was built in 1991, making it 34 years old in 2025.

What condition is Mosher Hollow RD over Trb Conewango Crk 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 March 2023.

How much traffic does Mosher Hollow RD over Trb Conewango Crk carry?

About 386 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is Mosher Hollow RD over Trb Conewango Crk?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns Mosher Hollow RD over Trb Conewango Crk?

It is owned by the County Highway Agency.