US Bridges

Grand Ave over Fourmile Creek

FairPosted for load

Canadian County, Oklahoma · .25W .5N JCT I40BUS/US81 · Structure no. 295040000000000

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Grand Ave over Fourmile Creek is a concrete culvert carrying Grand Ave over Fourmile Creek in Canadian County, Oklahoma. It was built in 1970, so it is 55 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 100 vehicles a day, roughly 6% of them trucks, projected to reach 160 by 2042. The structure is 32 ft (9.8 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGrand Ave
CrossesFourmile Creek
Location.25W .5N JCT I40BUS/US81
RouteCity Street N2828
CountyCanadian County
StateOklahoma
Coordinates35.54167, -97.95833
Functional classUrban Local

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$425,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Grand Ave over Fourmile Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Grand Ave over Fourmile 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 February 2024.

How much traffic does Grand Ave over Fourmile Creek carry?

About 100 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Grand Ave over Fourmile Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns Grand Ave over Fourmile Creek?

It is owned by the City or Municipal Highway Agency.