US Bridges

Co. Rd. E0810 over I-35 under

Fair

Logan County, Oklahoma · 8.4 MI N Okla. C/L · Structure no. 144360000000000

Built
1959
66 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
172 ft
4 main spans
Daily traffic
300
2022 count
Owner
State
State Highway Agency

About this bridge

Co. Rd. E0810 over I-35 under is a concrete continuous slab carrying Co. Rd. E0810 over I-35 under in Logan 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.

It carries about 300 vehicles a day, roughly 15% of them trucks, projected to reach 480 by 2042. The structure is 172 ft (52.4 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCo. Rd. E0810
CrossesI-35 under
Location8.4 MI N Okla. C/L
RouteCounty Highway E0810
CountyLogan County
StateOklahoma
Coordinates35.84189, -97.39511
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length172 ft (52.4 m)
Longest span55 ft (16.8 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic480 by 2042
Trucks15%
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. E0810 over I-35 under built?

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

What condition is Co. Rd. E0810 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 September 2024.

How much traffic does Co. Rd. E0810 over I-35 under carry?

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

How long is Co. Rd. E0810 over I-35 under?

The structure is 172 ft (52.4 m) long with a longest span of 55 ft (16.8 m) and a deck 29 ft wide.

Who owns Co. Rd. E0810 over I-35 under?

It is owned by the State Highway Agency.