US Bridges

U.S. 56 over Creek

Good

Cimarron County, Oklahoma · 0.3 Mi. W. Jct. US287 · Structure no. 049520000000000

Built
1936
89 years old, rebuilt 1991
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
55 ft
5 main spans
Daily traffic
5,900
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 56 over Creek is a concrete culvert carrying U.S. 56 over Creek in Cimarron County, Oklahoma. It was built in 1936 and reconstructed in 1991, so it is 89 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 5,900 vehicles a day, roughly 25% of them trucks, projected to reach 9,440 by 2042. The structure is 55 ft (16.8 m) long and 112 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesU.S. 56
CrossesCreek
Location0.3 Mi. W. Jct. US287
RouteU.S. Route 56
Coordinates36.72898, -102.49389
Functional classRural Principal Arterial - Other

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating108.2 US tons
Inventory rating64.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 20
Structure length55 ft (16.8 m)
Longest span10 ft (3 m)
Deck width112 ft (34.1 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2022)
Projected traffic9,440 by 2042
Trucks25%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$743,000
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 56 over Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1991.

What condition is U.S. 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 October 2024.

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

About 5,900 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is U.S. 56 over Creek?

The structure is 55 ft (16.8 m) long with a longest span of 10 ft (3 m) and a deck 112 ft wide.

Who owns U.S. 56 over Creek?

It is owned by the State Highway Agency.