US Bridges

U.S. 64 over East Clay Creek

Good

Alfalfa County, Oklahoma · 1 E Jct. S.H. 8 · Structure no. 300800000000000

Built
2014
11 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
3 main spans
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 64 over East Clay Creek is a prestressed concrete stringer/multi-beam or girder carrying U.S. 64 over East Clay Creek in Alfalfa County, Oklahoma. It was built in 2014, so it is 11 years old, younger than the Oklahoma average of 47.8 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 2,000 vehicles a day, roughly 15% of them trucks, projected to reach 3,200 by 2042. The structure is 210 ft (64 m) long and 42 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesU.S. 64
CrossesEast Clay Creek
Location1 E Jct. S.H. 8
RouteU.S. Route 64
Coordinates36.66653, -98.34028
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating40.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length210 ft (64 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,200 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 2014, making it 11 years old in 2025.

What condition is U.S. 64 over East Clay 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 September 2023.

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

About 2,000 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 210 ft (64 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

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

It is owned by the State Highway Agency.