US Bridges

U.S. 64 over Little Cottonwood Creek

Good

Harper County, Oklahoma · 3.9NE of JCT US64W/US183 · Structure no. 039630000000000

Built
1933
92 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
820
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 64 over Little Cottonwood Creek is a concrete culvert carrying U.S. 64 over Little Cottonwood Creek in Harper County, Oklahoma. It was built in 1933, so it is 92 years old, older 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 820 vehicles a day, roughly 16% of them trucks, projected to reach 1,312 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 65.9 mi (106 km).

CarriesU.S. 64
CrossesLittle Cottonwood Creek
Location3.9NE of JCT US64W/US183
RouteU.S. Route 64
Coordinates36.85577, -99.58547
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating42.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length40 ft (12.2 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2022)
Projected traffic1,312 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.9 mi (106 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 64 over Little Cottonwood Creek built?

It was built in 1933, making it 92 years old in 2025.

What condition is U.S. 64 over Little Cottonwood 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 Little Cottonwood Creek carry?

About 820 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 64 over Little Cottonwood Creek?

The structure is 40 ft (12.2 m) long with a longest span of 14 ft (4.3 m).

Who owns U.S. 64 over Little Cottonwood Creek?

It is owned by the State Highway Agency.