US Bridges

NE 23rd Turn Lane over I-35 under (s.Bridge Und

Fair

Oklahoma County, Oklahoma · 1.7 MI N of JCT W/I40 · Structure no. 143790000000000

Built
1959
66 years old
Condition
Fair
inspected June 2024
Type
Frame
Concrete Continuous
Length
115 ft
2 main spans
Daily traffic
5,000
2022 count
Owner
State
State Highway Agency

About this bridge

NE 23rd Turn Lane over I-35 under (s.Bridge Und is a concrete continuous frame carrying NE 23rd Turn Lane over I-35 under (s.Bridge Und in Oklahoma 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 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 8,000 by 2042. The structure is 115 ft (35.1 m) long and 39 ft wide.

Location

Open in Google Maps
CarriesNE 23rd Turn Lane
CrossesI-35 under (s.Bridge Und
Location1.7 MI N of JCT W/I40
RouteCity Street 9520
CountyOklahoma County
StateOklahoma
Coordinates35.49279, -97.4654
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span57 ft (17.4 m)
Deck width39 ft (12 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2022)
Projected traffic8,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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$4.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE 23rd Turn Lane over I-35 under (s.Bridge Und built?

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

What condition is NE 23rd Turn Lane over I-35 under (s.Bridge Und 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 June 2024.

How much traffic does NE 23rd Turn Lane over I-35 under (s.Bridge Und carry?

About 5,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is NE 23rd Turn Lane over I-35 under (s.Bridge Und?

The structure is 115 ft (35.1 m) long with a longest span of 57 ft (17.4 m) and a deck 39 ft wide.

Who owns NE 23rd Turn Lane over I-35 under (s.Bridge Und?

It is owned by the State Highway Agency.