US Bridges

S.H. 78 over Caney Creek

Fair

Bryan County, Oklahoma · 21. N & W Tx S/L · Structure no. 124100000000000

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
100 ft
4 main spans
Daily traffic
3,200
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 78 over Caney Creek is a concrete slab carrying S.H. 78 over Caney Creek in Bryan County, Oklahoma. It was built in 1950, so it is 75 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 3,200 vehicles a day, roughly 15% of them trucks, projected to reach 5,120 by 2042. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesS.H. 78
CrossesCaney Creek
Location21. N & W Tx S/L
RouteState Highway 78
Coordinates33.91225, -96.3732
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length100 ft (30.5 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2022)
Projected traffic5,120 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 78 over Caney Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is S.H. 78 over Caney 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. 78 over Caney Creek carry?

About 3,200 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 78 over Caney Creek?

The structure is 100 ft (30.5 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns S.H. 78 over Caney Creek?

It is owned by the State Highway Agency.