US Bridges

U.S. 64 over Cottonwood Creek

Fair

Harper County, Oklahoma · 14.6NE of JCT US64W/US183 · Structure no. 041870000000000

Built
1934
91 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
600
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 64 over Cottonwood Creek is a concrete culvert carrying U.S. 64 over Cottonwood Creek in Harper County, Oklahoma. It was built in 1934, so it is 91 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 600 vehicles a day, roughly 16% of them trucks, projected to reach 960 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 65.9 mi (106 km).

Location

Open in Google Maps
CarriesU.S. 64
CrossesCottonwood Creek
Location14.6NE of JCT US64W/US183
RouteU.S. Route 64
CountyHarper County
StateOklahoma
Coordinates36.85581, -99.39317
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.6 US tons
Inventory rating60.3 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 traffic600 (2022)
Projected traffic960 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 Cottonwood Creek built?

It was built in 1934, making it 91 years old in 2025.

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

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

About 600 vehicles per day (2022 count), of which roughly 16% are trucks.

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

It is owned by the State Highway Agency.