US Bridges

Co. Rd. 5670C over I-40 under

Fair

Okmulgee County, Oklahoma · 10.07 E Okfuskee C/L · Structure no. 158200000000000

Built
1963
62 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
2 main spans
Daily traffic
700
2022 count
Owner
State
State Highway Agency

About this bridge

Co. Rd. 5670C over I-40 under is a steel continuous stringer/multi-beam or girder carrying Co. Rd. 5670C over I-40 under in Okmulgee County, Oklahoma. It was built in 1963, so it is 62 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 700 vehicles a day, roughly 18% of them trucks, projected to reach 1,120 by 2042. The structure is 218 ft (66.4 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCo. Rd. 5670C
CrossesI-40 under
Location10.07 E Okfuskee C/L
RouteCounty Highway 5670C
Coordinates35.42967, -95.91082
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating25 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length218 ft (66.4 m)
Longest span73 ft (22.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic1,120 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Co. Rd. 5670C over I-40 under built?

It was built in 1963, making it 62 years old in 2025.

What condition is Co. Rd. 5670C over I-40 under 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 Co. Rd. 5670C over I-40 under carry?

About 700 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is Co. Rd. 5670C over I-40 under?

The structure is 218 ft (66.4 m) long with a longest span of 73 ft (22.3 m) and a deck 31 ft wide.

Who owns Co. Rd. 5670C over I-40 under?

It is owned by the State Highway Agency.