US Bridges

I-35 NB over E1970 under

Fair

Carter County, Oklahoma · 1.4N of U.S. 70E · Structure no. 292960000000000

Built
2010
15 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
16,500
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 NB over E1970 under is a prestressed concrete stringer/multi-beam or girder carrying I-35 NB over E1970 under in Carter County, Oklahoma. It was built in 2010, so it is 15 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 6 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 16,500 vehicles a day, roughly 12% of them trucks, projected to reach 26,400 by 2042. The structure is 113 ft (34.5 m) long and 63 ft wide.

Location

Open in Google Maps
CarriesI-35 NB
CrossesE1970 under
Location1.4N of U.S. 70E
RouteInterstate 35
CountyCarter County
StateOklahoma
Coordinates34.15824, -97.16286
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length113 ft (34.5 m)
Longest span108 ft (32.9 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2022)
Projected traffic26,400 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$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 NB over E1970 under built?

It was built in 2010, making it 15 years old in 2025.

What condition is I-35 NB over E1970 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 January 2023.

How much traffic does I-35 NB over E1970 under carry?

About 16,500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-35 NB over E1970 under?

The structure is 113 ft (34.5 m) long with a longest span of 108 ft (32.9 m) and a deck 63 ft wide.

Who owns I-35 NB over E1970 under?

It is owned by the State Highway Agency.