US Bridges

Mosher Hollow RD over Trb Conewango Crk

Good

Cattaraugus County, New York · .4 Mile NW of New Albion · Structure no. 000000003322720

Built
1991
34 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 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 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 386 vehicles a day, roughly 9% of them trucks, projected to reach 540 by 2037. The structure is 49 ft (14.9 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMosher Hollow RD
CrossesTrb Conewango Crk
Location.4 Mile NW of New Albion
RouteCounty Highway 0
Coordinates42.29296, -78.89546
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating24 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span47 ft (14.3 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 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 closed0.6 mi (1 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$1.1 million (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 June 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 49 ft (14.9 m) long with a longest span of 47 ft (14.3 m) and a deck 31 ft wide.

Who owns Mosher Hollow RD over Trb Conewango Crk?

It is owned by the County Highway Agency.