US Bridges

U.S. 64 over Unnamed Creek

Fair

Alfalfa County, Oklahoma · 4.4W of JCT S.H. 8 · Structure no. 295100000000000

Built
2011
14 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
2,500
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 64 over Unnamed Creek is a prestressed concrete stringer/multi-beam or girder carrying U.S. 64 over Unnamed Creek in Alfalfa County, Oklahoma. It was built in 2011, so it is 14 years old, younger 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 2,500 vehicles a day, roughly 25% of them trucks, projected to reach 4,000 by 2042. The structure is 50 ft (15.2 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesU.S. 64
CrossesUnnamed Creek
Location4.4W of JCT S.H. 8
RouteU.S. Route 64
CountyAlfalfa County
StateOklahoma
Coordinates36.79694, -98.43917
Functional classRural 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.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating32.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2022)
Projected traffic4,000 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Unnamed Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is U.S. 64 over Unnamed 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 Unnamed Creek carry?

About 2,500 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is U.S. 64 over Unnamed Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns U.S. 64 over Unnamed Creek?

It is owned by the State Highway Agency.