US Bridges

S.H. 36 over Trib. of Little Deep Red

Good

Tillman County, Oklahoma · 3.7 MI N JCT U.S. 70 · Structure no. 063980000000000

Built
1938
87 years old, rebuilt 2022
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
730
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 36 over Trib. of Little Deep Red is a concrete culvert carrying S.H. 36 over Trib. of Little Deep Red in Tillman County, Oklahoma. It was built in 1938 and reconstructed in 2022, so it is 87 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 730 vehicles a day, roughly 15% of them trucks, projected to reach 1,040 by 2042. The structure is 44 ft (13.4 m) long and 74 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesS.H. 36
CrossesTrib. of Little Deep Red
Location3.7 MI N JCT U.S. 70
RouteState Highway 36
CountyTillman County
StateOklahoma
Coordinates34.28597, -98.67915
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating95.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width74 ft (22.6 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2022)
Projected traffic1,040 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 36 over Trib. of Little Deep Red built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2022.

What condition is S.H. 36 over Trib. of Little Deep Red 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 April 2024.

How much traffic does S.H. 36 over Trib. of Little Deep Red carry?

About 730 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 36 over Trib. of Little Deep Red?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m) and a deck 74 ft wide.

Who owns S.H. 36 over Trib. of Little Deep Red?

It is owned by the State Highway Agency.