US Bridges

CR 55/CR 317 over Conewango Creek

Fair

Chautauqua County, New York · 1.2 MI N of Frewsburg · Structure no. 000000003323740

Built
1941
84 years old, rebuilt 1989
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
214 ft
3 main spans
Daily traffic
2,147
2018 count
Owner
County
County Highway Agency

About this bridge

CR 55/CR 317 over Conewango Creek is a steel stringer/multi-beam or girder carrying CR 55/CR 317 over Conewango Creek in Chautauqua County, New York. It was built in 1941 and reconstructed in 1989, so it is 84 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,147 vehicles a day, roughly 3% of them trucks, projected to reach 2,168 by 2041. The structure is 214 ft (65.2 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesCR 55/CR 317
CrossesConewango Creek
Location1.2 MI N of Frewsburg
RouteCounty Highway 0
CountyChautauqua County
StateNew York
Coordinates42.06967, -79.15814
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span69 ft (21 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,147 (2018)
Projected traffic2,168 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$4.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 55/CR 317 over Conewango Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1989.

What condition is CR 55/CR 317 over Conewango Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does CR 55/CR 317 over Conewango Creek carry?

About 2,147 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is CR 55/CR 317 over Conewango Creek?

The structure is 214 ft (65.2 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.

Who owns CR 55/CR 317 over Conewango Creek?

It is owned by the County Highway Agency.