US Bridges

I-35 S.B. over E0430 under

Fair

Noble County, Oklahoma · 0.6 MI S JCT US 412 · Structure no. 151280000000000

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
152 ft
4 main spans
Daily traffic
8,600
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 S.B. over E0430 under is a concrete continuous slab carrying I-35 S.B. over E0430 under in Noble County, Oklahoma. It was built in 1960, so it is 65 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 8,600 vehicles a day, roughly 36% of them trucks, projected to reach 13,760 by 2042. The structure is 152 ft (46.3 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesI-35 S.B.
CrossesE0430 under
Location0.6 MI S JCT US 412
RouteInterstate 35
CountyNoble County
StateOklahoma
Coordinates36.39102, -97.32727
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span45 ft (13.7 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2022)
Projected traffic13,760 by 2042
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-35 S.B. over E0430 under built?

It was built in 1960, making it 65 years old in 2025.

What condition is I-35 S.B. over E0430 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 April 2024.

How much traffic does I-35 S.B. over E0430 under carry?

About 8,600 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 S.B. over E0430 under?

The structure is 152 ft (46.3 m) long with a longest span of 45 ft (13.7 m) and a deck 43 ft wide.

Who owns I-35 S.B. over E0430 under?

It is owned by the State Highway Agency.