US Bridges

I-35 NB over U.S. 70 under

Good

Carter County, Oklahoma · 7.2 MI N Love C/L · Structure no. 165900000000000

Built
1965
60 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
192 ft
4 main spans
Daily traffic
16,750
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 NB over U.S. 70 under is a steel stringer/multi-beam or girder carrying I-35 NB over U.S. 70 under in Carter County, Oklahoma. It was built in 1965, so it is 60 years old, older 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 16,750 vehicles a day, roughly 12% of them trucks, projected to reach 26,800 by 2042. The structure is 192 ft (58.5 m) long and 48 ft wide.

Location

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CarriesI-35 NB
CrossesU.S. 70 under
Location7.2 MI N Love C/L
RouteInterstate 35
CountyCarter County
StateOklahoma
Coordinates34.17261, -97.16773
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span63 ft (19.2 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,750 (2022)
Projected traffic26,800 by 2042
Trucks12%
Lanes on structure3
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$2.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 NB over U.S. 70 under built?

It was built in 1965, making it 60 years old in 2025.

What condition is I-35 NB over U.S. 70 under 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 January 2023.

How much traffic does I-35 NB over U.S. 70 under carry?

About 16,750 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-35 NB over U.S. 70 under?

The structure is 192 ft (58.5 m) long with a longest span of 63 ft (19.2 m) and a deck 48 ft wide.

Who owns I-35 NB over U.S. 70 under?

It is owned by the State Highway Agency.