US Bridges

RTE 31A over Oak Orchard Creek

Fair

Orleans County, New York · 0.1MI E JCT Rts 31A + 63 · Structure no. 000000001022050

Built
1946
79 years old, rebuilt 1989
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
4,737
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 31A over Oak Orchard Creek is a steel stringer/multi-beam or girder carrying RTE 31A over Oak Orchard Creek in Orleans County, New York. It was built in 1946 and reconstructed in 1989, so it is 79 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 4,737 vehicles a day, roughly 12% of them trucks, projected to reach 5,754 by 2041. The structure is 69 ft (20.9 m) long and 34 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

Location

Open in Google Maps
CarriesRTE 31A
CrossesOak Orchard Creek
Location0.1MI E JCT Rts 31A + 63
RouteState Highway 31A
CountyOrleans County
StateNew York
Coordinates43.20723, -78.38588
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length69 ft (20.9 m)
Longest span67 ft (20.4 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,737 (2020)
Projected traffic5,754 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 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$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 31A over Oak Orchard Creek built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1989.

What condition is RTE 31A over Oak Orchard 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 September 2024.

How much traffic does RTE 31A over Oak Orchard Creek carry?

About 4,737 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is RTE 31A over Oak Orchard Creek?

The structure is 69 ft (20.9 m) long with a longest span of 67 ft (20.4 m) and a deck 34 ft wide.

Who owns RTE 31A over Oak Orchard Creek?

It is owned by the State Highway Agency.