US Bridges

Mosher Hollow RD over Conewango Creek

Good

Cattaraugus County, New York · 1.9 Miles S of East Leon · Structure no. 000000003322170

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
559
2020 count
Owner
County
County Highway Agency

About this bridge

Mosher Hollow RD over Conewango Creek is a prestressed concrete box beam or girders - multiple carrying Mosher Hollow RD over Conewango Creek in Cattaraugus 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 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 559 vehicles a day, roughly 16% of them trucks, projected to reach 783 by 2040. The structure is 53 ft (16.2 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMosher Hollow RD
CrossesConewango Creek
Location1.9 Miles S of East Leon
RouteCounty Highway 0
Coordinates42.31936, -78.95476
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating89 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span47 ft (14.3 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic559 (2020)
Projected traffic783 by 2040
Trucks16%
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$646,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mosher Hollow RD over Conewango Creek built?

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

What condition is Mosher Hollow RD over Conewango Creek 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 August 2023.

How much traffic does Mosher Hollow RD over Conewango Creek carry?

About 559 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is Mosher Hollow RD over Conewango Creek?

The structure is 53 ft (16.2 m) long with a longest span of 47 ft (14.3 m) and a deck 33 ft wide.

Who owns Mosher Hollow RD over Conewango Creek?

It is owned by the County Highway Agency.