US Bridges

S.H. 51 over Titanic Creek

Fair

Adair County, Oklahoma · 2.3 Mi.Se.Cherokee Cl · Structure no. 186270000000000

Built
1937
88 years old, rebuilt 1974
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
2,800
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 51 over Titanic Creek is a concrete culvert carrying S.H. 51 over Titanic Creek in Adair County, Oklahoma. It was built in 1937 and reconstructed in 1974, so it is 88 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 2,800 vehicles a day, roughly 15% of them trucks, projected to reach 4,480 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesS.H. 51
CrossesTitanic Creek
Location2.3 Mi.Se.Cherokee Cl
RouteState Highway 51
CountyAdair County
StateOklahoma
Coordinates35.88931, -94.76888
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2022)
Projected traffic4,480 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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. 51 over Titanic Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1974.

What condition is S.H. 51 over Titanic 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 April 2024.

How much traffic does S.H. 51 over Titanic Creek carry?

About 2,800 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 51 over Titanic Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns S.H. 51 over Titanic Creek?

It is owned by the State Highway Agency.