US Bridges

S.H. 78 over Creek

Good

Johnston County, Oklahoma · 1.6 MI E SH 22 · Structure no. 188590000000000

Built
1975
50 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
2,400
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 78 over Creek is a concrete culvert carrying S.H. 78 over Creek in Johnston County, Oklahoma. It was built in 1975, so it is 50 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 2,400 vehicles a day, roughly 15% of them trucks, projected to reach 3,840 by 2042. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesS.H. 78
CrossesCreek
Location1.6 MI E SH 22
RouteState Highway 78
Coordinates34.23763, -96.6114
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.8 US tons
Inventory rating39.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2022)
Projected traffic3,840 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 78 over Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is S.H. 78 over Creek 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 May 2024.

How much traffic does S.H. 78 over Creek carry?

About 2,400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 78 over Creek?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns S.H. 78 over Creek?

It is owned by the State Highway Agency.