US Bridges

IRR 5818C over Creek

FairPosted for load

Ottawa County, Oklahoma · 2.4 N. 1.0 E. of Fairland · Structure no. 101970000000000

Built
1945
80 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

IRR 5818C over Creek is a concrete culvert carrying IRR 5818C over Creek in Ottawa County, Oklahoma. It was built in 1945, so it is 80 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 15% of them trucks, projected to reach 80 by 2042. The structure is 31 ft (9.4 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIRR 5818C
CrossesCreek
Location2.4 N. 1.0 E. of Fairland
RouteCounty Highway 5818C
CountyOttawa County
StateOklahoma
Coordinates36.78638, -94.82881
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.4 US tons
Inventory rating19.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span12 ft (3.6 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$261,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR 5818C over Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is IRR 5818C 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 September 2023.

How much traffic does IRR 5818C over Creek carry?

About 50 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is IRR 5818C over Creek?

The structure is 31 ft (9.4 m) long with a longest span of 12 ft (3.6 m) and a deck 20 ft wide.

Who owns IRR 5818C over Creek?

It is owned by the County Highway Agency.