U.S. 56 over Goff Creek

Fair

Cimarron County, Oklahoma · 19.1 Mi. Ne. JCT.US64 · Structure no. 143770000000000

Built: 1959; 66 years old
Condition: Fair; inspected October 2024
Type: Culvert; Concrete
Length: 99 ft; 8 main spans
Daily traffic: 730; 2022 count
Owner: State; State Highway Agency

About this bridge

U.S. 56 over Goff Creek is a concrete culvert carrying U.S. 56 over Goff Creek in Cimarron County, Oklahoma. It was built in 1959, so it is 66 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 6 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 730 vehicles a day, roughly 16% of them trucks, projected to reach 1,168 by 2042. The structure is 99 ft (30.2 m) long. If it were closed, the detour would be 42.9 mi (69 km).

Location

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CarriesU.S. 56

CrossesGoff Creek

Location19.1 Mi. Ne. JCT.US64

RouteU.S. Route 56

CountyCimarron County

StateOklahoma

Coordinates36.88604, -102.08656

Functional classRural Minor Arterial

Condition and inspection

Fair

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

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionOctober 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourCountermeasures installed to correct a previously existing problem

Structural evaluation6: Equal to present minimum criteria

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating49.1 US tons

Inventory rating36 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckNot applicable

Main spans8

Design loadHS 20

Structure length99 ft (30.2 m)

Longest span12 ft (3.7 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2022)

Projected traffic1,168 by 2042

Trucks16%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed42.9 mi (69 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$856,000

NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 56 over Goff Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is U.S. 56 over Goff 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 October 2024.

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

About 730 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 56 over Goff Creek?

The structure is 99 ft (30.2 m) long with a longest span of 12 ft (3.7 m).

Who owns U.S. 56 over Goff Creek?

It is owned by the State Highway Agency.