US Bridges

U.S. 64 over Unnamed Creek

Good

Harper County, Oklahoma · .08 W of Jctu.S. 183 · Structure no. 313660000000000

Built
2017
8 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
1,200
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 64 over Unnamed Creek is a concrete culvert carrying U.S. 64 over Unnamed Creek in Harper County, Oklahoma. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,200 vehicles a day, roughly 16% of them trucks, projected to reach 1,920 by 2042. The structure is 38 ft (11.6 m) long and 65 ft wide.

CarriesU.S. 64
CrossesUnnamed Creek
Location.08 W of Jctu.S. 183
RouteU.S. Route 64
Coordinates36.82698, -99.63157
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating94.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width65 ft (19.9 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic1,920 by 2042
Trucks16%
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 2017, making it 8 years old in 2025.

What condition is U.S. 64 over Unnamed 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 July 2024.

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

About 1,200 vehicles per day (2022 count), of which roughly 16% are trucks.

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

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 65 ft wide.

Who owns U.S. 64 over Unnamed Creek?

It is owned by the State Highway Agency.