US Bridges

I-235 over NE 4th St. under

Fair

Oklahoma County, Oklahoma · 1.0 MI N of I-40 · Structure no. 223430000000000

Built
1989
36 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
1 main span
Daily traffic
80,700
2022 count
Owner
State
State Highway Agency

About this bridge

I-235 over NE 4th St. under is a steel stringer/multi-beam or girder carrying I-235 over NE 4th St. under in Oklahoma County, Oklahoma. It was built in 1989, so it is 36 years old, younger 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 80,700 vehicles a day, roughly 12% of them trucks, projected to reach 129,120 by 2042. The structure is 120 ft (36.6 m) long and 120 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-235
CrossesNE 4th St. under
Location1.0 MI N of I-40
RouteInterstate 235
CountyOklahoma County
StateOklahoma
Coordinates35.47165, -97.50547
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span120 ft (36.6 m)
Deck width120 ft (36.6 m)
Roadway width114 ft (34.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80,700 (2022)
Projected traffic129,120 by 2042
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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$5.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-235 over NE 4th St. under built?

It was built in 1989, making it 36 years old in 2025.

What condition is I-235 over NE 4th St. 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 October 2024.

How much traffic does I-235 over NE 4th St. under carry?

About 80,700 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-235 over NE 4th St. under?

The structure is 120 ft (36.6 m) long with a longest span of 120 ft (36.6 m) and a deck 120 ft wide.

Who owns I-235 over NE 4th St. under?

It is owned by the State Highway Agency.