US Bridges

Co. Rd. E0120 over I-35 under

Fair

Kay County, Oklahoma · 2 MI N JCT SH 11 · Structure no. 144440000000000

Built
1959
66 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
177 ft
4 main spans
Daily traffic
50
2022 count
Owner
State
State Highway Agency

About this bridge

Co. Rd. E0120 over I-35 under is a concrete continuous slab carrying Co. Rd. E0120 over I-35 under in Kay 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 50 vehicles a day, roughly 15% of them trucks, projected to reach 80 by 2042. The structure is 177 ft (53.9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCo. Rd. E0120
CrossesI-35 under
Location2 MI N JCT SH 11
RouteCounty Highway EE120
CountyKay County
StateOklahoma
Coordinates36.84026, -97.34428
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length177 ft (53.9 m)
Longest span57 ft (17.4 m)
Deck width25 ft (7.6 m)
Roadway width20 ft (6.1 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 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. E0120 over I-35 under built?

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

What condition is Co. Rd. E0120 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 November 2023.

How much traffic does Co. Rd. E0120 over I-35 under carry?

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

How long is Co. Rd. E0120 over I-35 under?

The structure is 177 ft (53.9 m) long with a longest span of 57 ft (17.4 m) and a deck 25 ft wide.

Who owns Co. Rd. E0120 over I-35 under?

It is owned by the State Highway Agency.