US Bridges

Mosher Hollow RD over Conewango Creek

Good

Cattaraugus County, New York · 2.3 Miles SE of East Leon · Structure no. 000000003322200

Built
1993
32 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
576
2021 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 1993, so it is 32 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 576 vehicles a day, roughly 24% of them trucks, projected to reach 806 by 2041. The structure is 33 ft (10.1 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesMosher Hollow RD
CrossesConewango Creek
Location2.3 Miles SE of East Leon
RouteCounty Highway 0
Coordinates42.31613, -78.94368
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating110.1 US tons
Inventory rating67 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length33 ft (10.1 m)
Longest span29 ft (8.8 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic576 (2021)
Projected traffic806 by 2041
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mosher Hollow RD over Conewango Creek built?

It was built in 1993, making it 32 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 576 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is Mosher Hollow RD over Conewango Creek?

The structure is 33 ft (10.1 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.

Who owns Mosher Hollow RD over Conewango Creek?

It is owned by the County Highway Agency.