US Bridges

U.S. 266 over Backwall Creek

Good

McIntosh County, Oklahoma · 2E of JCT US 69 · Structure no. 324750000000000

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
197 ft
3 main spans
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 266 over Backwall Creek is a steel stringer/multi-beam or girder carrying U.S. 266 over Backwall Creek in McIntosh County, Oklahoma. It was built in 2024, so it is 1 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 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 2,000 vehicles a day, roughly 15% of them trucks, projected to reach 3,200 by 2042. The structure is 197 ft (59.9 m) long and 46 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesU.S. 266
CrossesBackwall Creek
Location2E of JCT US 69
RouteU.S. Route 266
Coordinates35.46414, -95.50385
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.6 US tons
Inventory rating39.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length197 ft (59.9 m)
Longest span73 ft (22.4 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,200 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
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. 266 over Backwall Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is U.S. 266 over Backwall 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 October 2024.

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

About 2,000 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 197 ft (59.9 m) long with a longest span of 73 ft (22.4 m) and a deck 46 ft wide.

Who owns U.S. 266 over Backwall Creek?

It is owned by the State Highway Agency.