US Bridges

U.S. 266 over Grayson Creek

Fair

Okmulgee County, Oklahoma · 6.75 E JCT US-62 · Structure no. 022080000000000

Built
1929
96 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
1,300
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 266 over Grayson Creek is a concrete culvert carrying U.S. 266 over Grayson Creek in Okmulgee County, Oklahoma. It was built in 1929, so it is 96 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 1,300 vehicles a day, roughly 15% of them trucks, projected to reach 2,080 by 2042. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

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CarriesU.S. 266
CrossesGrayson Creek
Location6.75 E JCT US-62
RouteU.S. Route 266
CountyOkmulgee County
StateOklahoma
Coordinates35.50158, -95.86539
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2022)
Projected traffic2,080 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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. 266 over Grayson Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is U.S. 266 over Grayson 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 January 2023.

How much traffic does U.S. 266 over Grayson Creek carry?

About 1,300 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is U.S. 266 over Grayson Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns U.S. 266 over Grayson Creek?

It is owned by the State Highway Agency.