US Bridges

I-235 Ramp N-W over Drainage/Slope

Good

Oklahoma County, Oklahoma · Dallas Jct. · Structure no. 285990000000000

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
111 ft
1 main span
Daily traffic
1,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-235 Ramp N-W over Drainage/Slope is a steel stringer/multi-beam or girder carrying I-235 Ramp N-W over Drainage/Slope in Oklahoma County, Oklahoma. It was built in 2016, so it is 9 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 12% of them trucks, projected to reach 1,600 by 2042. The structure is 111 ft (33.7 m) long and 32 ft wide.

CarriesI-235 Ramp N-W
CrossesDrainage/Slope
LocationDallas Jct.
RouteInterstate 40
Coordinates35.4625, -97.50194
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating53 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length111 ft (33.7 m)
Longest span110 ft (33.5 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic1,600 by 2042
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed—
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$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-235 Ramp N-W over Drainage/Slope built?

It was built in 2016, making it 9 years old in 2025.

What condition is I-235 Ramp N-W over Drainage/Slope in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does I-235 Ramp N-W over Drainage/Slope carry?

About 1,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-235 Ramp N-W over Drainage/Slope?

The structure is 111 ft (33.7 m) long with a longest span of 110 ft (33.5 m) and a deck 32 ft wide.

Who owns I-235 Ramp N-W over Drainage/Slope?

It is owned by the State Highway Agency.