US Bridges

U.S. 64 over West Clay Creek

Fair

Alfalfa County, Oklahoma · 1.1 MI.N.JCT.SH8 · Structure no. 182790000000000

Built
1972
53 years old, rebuilt 2000
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
123 ft
3 main spans
Daily traffic
2,700
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 64 over West Clay Creek is a steel stringer/multi-beam or girder carrying U.S. 64 over West Clay Creek in Alfalfa County, Oklahoma. It was built in 1972 and reconstructed in 2000, so it is 53 years old, older than the Oklahoma average of 47.8 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 2,700 vehicles a day, roughly 15% of them trucks, projected to reach 4,320 by 2042. The structure is 123 ft (37.5 m) long and 46 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

Open in Google Maps
CarriesU.S. 64
CrossesWest Clay Creek
Location1.1 MI.N.JCT.SH8
RouteU.S. Route 64
CountyAlfalfa County
StateOklahoma
Coordinates36.68122, -98.36037
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span40 ft (12.2 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2022)
Projected traffic4,320 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 64 over West Clay Creek built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2000.

What condition is U.S. 64 over West Clay 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 2023.

How much traffic does U.S. 64 over West Clay Creek carry?

About 2,700 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is U.S. 64 over West Clay Creek?

The structure is 123 ft (37.5 m) long with a longest span of 40 ft (12.2 m) and a deck 46 ft wide.

Who owns U.S. 64 over West Clay Creek?

It is owned by the State Highway Agency.