US Bridges

S.H. 56 over Creek

Good

Okfuskee County, Oklahoma · 3.6 MI E Seminole CO · Structure no. 036120000000000

Built
1932
93 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
920
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 56 over Creek is a concrete culvert carrying S.H. 56 over Creek in Okfuskee County, Oklahoma. It was built in 1932, so it is 93 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 920 vehicles a day, roughly 15% of them trucks, projected to reach 1,472 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesS.H. 56
CrossesCreek
Location3.6 MI E Seminole CO
RouteState Highway 56
Coordinates35.42824, -96.38612
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length32 ft (9.8 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 traffic920 (2022)
Projected traffic1,472 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
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. 56 over Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is S.H. 56 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 September 2023.

How much traffic does S.H. 56 over Creek carry?

About 920 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 56 over Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns S.H. 56 over Creek?

It is owned by the State Highway Agency.