US Bridges

I-35 SB over Caddo Creek

Fair

Carter County, Oklahoma · 4.2 MI N JCT SH 142 · Structure no. 166170000000000

Built
1965
60 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
3 main spans
Daily traffic
15,600
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 SB over Caddo Creek is a steel continuous stringer/multi-beam or girder carrying I-35 SB over Caddo Creek 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 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 15,600 vehicles a day, roughly 36% of them trucks, projected to reach 24,960 by 2042. The structure is 260 ft (79.2 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesI-35 SB
CrossesCaddo Creek
Location4.2 MI N JCT SH 142
RouteInterstate 35
CountyCarter County
StateOklahoma
Coordinates34.26337, -97.1647
Functional classRural 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.
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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span100 ft (30.5 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,600 (2022)
Projected traffic24,960 by 2042
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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
NavigationNo navigation control on waterway

Frequently asked questions

When was I-35 SB over Caddo Creek built?

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

What condition is I-35 SB over Caddo Creek 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 2024.

How much traffic does I-35 SB over Caddo Creek carry?

About 15,600 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 SB over Caddo Creek?

The structure is 260 ft (79.2 m) long with a longest span of 100 ft (30.5 m) and a deck 40 ft wide.

Who owns I-35 SB over Caddo Creek?

It is owned by the State Highway Agency.