US Bridges

I-235 NB Off-Ramp over Median / Ditch under

Fair

Oklahoma County, Oklahoma · 0.6 MI N of I-40 · Structure no. 282670000000000

Built
1989
36 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
202 ft
2 main spans
Daily traffic
37,700
2022 count
Owner
State
State Highway Agency

About this bridge

I-235 NB Off-Ramp over Median / Ditch under is a steel continuous stringer/multi-beam or girder carrying I-235 NB Off-Ramp over Median / Ditch 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 5 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 37,700 vehicles a day, roughly 12% of them trucks, projected to reach 60,320 by 2042. The structure is 202 ft (61.6 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesI-235 NB Off-Ramp
CrossesMedian / Ditch under
Location0.6 MI N of I-40
RouteInterstate 235
CountyOklahoma County
StateOklahoma
Coordinates35.46864, -97.50185
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span102 ft (31.1 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,700 (2022)
Projected traffic60,320 by 2042
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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$11 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-235 NB Off-Ramp over Median / Ditch under built?

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

What condition is I-235 NB Off-Ramp over Median / Ditch 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 August 2024.

How much traffic does I-235 NB Off-Ramp over Median / Ditch under carry?

About 37,700 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-235 NB Off-Ramp over Median / Ditch under?

The structure is 202 ft (61.6 m) long with a longest span of 102 ft (31.1 m) and a deck 28 ft wide.

Who owns I-235 NB Off-Ramp over Median / Ditch under?

It is owned by the State Highway Agency.