US Bridges

Co. Rd. E0670 over I-35 under

FairPosted for load

Payne County, Oklahoma · 5.0 MI S JCT SH 51 · Structure no. 144590000000000

Built
1959
66 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
186 ft
4 main spans
Daily traffic
50
2022 count
Owner
State
State Highway Agency

About this bridge

Co. Rd. E0670 over I-35 under is a concrete continuous slab carrying Co. Rd. E0670 over I-35 under in Payne County, Oklahoma. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 15% of them trucks, projected to reach 80 by 2042. The structure is 186 ft (56.7 m) long and 29 ft wide.

CarriesCo. Rd. E0670
CrossesI-35 under
Location5.0 MI S JCT SH 51
RouteCounty Highway E0670
Coordinates36.0433, -97.34552
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19 US tons
Inventory rating14.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length186 ft (56.7 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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. E0670 over I-35 under built?

It was built in 1959, making it 66 years old in 2025.

What condition is Co. Rd. E0670 over I-35 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 2024.

How much traffic does Co. Rd. E0670 over I-35 under carry?

About 50 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Co. Rd. E0670 over I-35 under?

The structure is 186 ft (56.7 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns Co. Rd. E0670 over I-35 under?

It is owned by the State Highway Agency.