US Bridges

S.H. 325 over South Carrizo Creek

Fair

Cimarron County, Oklahoma · 9.8 MI E Okla. S/L · Structure no. 185680000000000

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
200 ft
5 main spans
Daily traffic
70
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 325 over South Carrizo Creek is a concrete stringer/multi-beam or girder carrying S.H. 325 over South Carrizo Creek in Cimarron County, Oklahoma. It was built in 1973, so it is 52 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 5 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 70 vehicles a day, roughly 15% of them trucks, projected to reach 112 by 2042. The structure is 200 ft (61 m) long and 32 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

Open in Google Maps
CarriesS.H. 325
CrossesSouth Carrizo Creek
Location9.8 MI E Okla. S/L
RouteState Highway 325
CountyCimarron County
StateOklahoma
Coordinates36.89905, -102.82865
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic112 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$2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 325 over South Carrizo Creek built?

It was built in 1973, making it 52 years old in 2025.

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

About 70 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 325 over South Carrizo Creek?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns S.H. 325 over South Carrizo Creek?

It is owned by the State Highway Agency.