US Bridges

I-35 SB over NE 42nd St. under

Fair

Oklahoma County, Oklahoma · 3.3 MI N of E JCT-I40 · Structure no. 141260000000000

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Frame
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
33,150
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 SB over NE 42nd St. under is a concrete continuous frame carrying I-35 SB over NE 42nd St. under in Oklahoma County, Oklahoma. It was built in 1958, so it is 67 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 33,150 vehicles a day, roughly 12% of them trucks, projected to reach 53,040 by 2042. The structure is 144 ft (43.9 m) long and 32 ft wide.

CarriesI-35 SB
CrossesNE 42nd St. under
Location3.3 MI N of E JCT-I40
RouteInterstate 35
Coordinates35.51481, -97.45969
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span58 ft (17.7 m)
Deck width32 ft (9.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,150 (2022)
Projected traffic53,040 by 2042
Trucks12%
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$4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 SB over NE 42nd St. under built?

It was built in 1958, making it 67 years old in 2025.

What condition is I-35 SB over NE 42nd 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 June 2024.

How much traffic does I-35 SB over NE 42nd St. under carry?

About 33,150 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-35 SB over NE 42nd St. under?

The structure is 144 ft (43.9 m) long with a longest span of 58 ft (17.7 m) and a deck 32 ft wide.

Who owns I-35 SB over NE 42nd St. under?

It is owned by the State Highway Agency.