US Bridges

I-35 SB over BNSF R.R.

Good

Carter County, Oklahoma · 0.3 MI N JCT US70 · Structure no. 165080000000000

Built
1965
60 years old, rebuilt 2016
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
134 ft
3 main spans
Daily traffic
16,250
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 SB over BNSF R.R. is a steel stringer/multi-beam or girder carrying I-35 SB over BNSF R.R. in Carter County, Oklahoma. It was built in 1965 and reconstructed in 2016, 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 16,250 vehicles a day, roughly 12% of them trucks, projected to reach 26,000 by 2042. The structure is 134 ft (40.8 m) long and 60 ft wide.

Location

Open in Google Maps
CarriesI-35 SB
CrossesBNSF R.R.
Location0.3 MI N JCT US70
RouteInterstate 35
CountyCarter County
StateOklahoma
Coordinates34.17686, -97.16841
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.8 US tons
Inventory rating36.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span45 ft (13.7 m)
Deck width60 ft (18.2 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,250 (2022)
Projected traffic26,000 by 2042
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 SB over BNSF R.R. built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2016.

What condition is I-35 SB over BNSF R.R. 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 SB over BNSF R.R. carry?

About 16,250 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-35 SB over BNSF R.R.?

The structure is 134 ft (40.8 m) long with a longest span of 45 ft (13.7 m) and a deck 60 ft wide.

Who owns I-35 SB over BNSF R.R.?

It is owned by the State Highway Agency.