US Bridges

RTE 322 over Conewango Creek

Fair

Chautauqua County, New York · 1.4 MI E JCT Rts 83 + 322 · Structure no. 000000001045700

Built
1959
66 years old, rebuilt 2022
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
153 ft
2 main spans
Daily traffic
1,248
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 322 over Conewango Creek is a steel stringer/multi-beam or girder carrying RTE 322 over Conewango Creek in Chautauqua County, New York. It was built in 1959 and reconstructed in 2022, so it is 66 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 6 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 1,248 vehicles a day, roughly 11% of them trucks, projected to reach 1,260 by 2041. The structure is 153 ft (46.6 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesRTE 322
CrossesConewango Creek
Location1.4 MI E JCT Rts 83 + 322
RouteState Highway 322
CountyChautauqua County
StateNew York
Coordinates42.36716, -79.0644
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
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span73 ft (22.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,248 (2018)
Projected traffic1,260 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 322 over Conewango Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2022.

What condition is RTE 322 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 November 2024.

How much traffic does RTE 322 over Conewango Creek carry?

About 1,248 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is RTE 322 over Conewango Creek?

The structure is 153 ft (46.6 m) long with a longest span of 73 ft (22.2 m) and a deck 33 ft wide.

Who owns RTE 322 over Conewango Creek?

It is owned by the State Highway Agency.