US Bridges

S.H. 325 over Creek

Fair

Cimarron County, Oklahoma · 15.1 MI E Okla. S/L · Structure no. 005800000000000

Built
1935
90 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
21 ft
2 main spans
Daily traffic
100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 325 over Creek is a concrete slab carrying S.H. 325 over Creek in Cimarron County, Oklahoma. It was built in 1935, so it is 90 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 21 ft (6.4 m) long and 32 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

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CarriesS.H. 325
CrossesCreek
Location15.1 MI E Okla. S/L
RouteState Highway 325
CountyCimarron County
StateOklahoma
Coordinates36.83188, -102.80516
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 325 over Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is S.H. 325 over 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 S.H. 325 over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 325 over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns S.H. 325 over Creek?

It is owned by the State Highway Agency.