US Bridges

Grand Ave. North over Congo Creek

Good

Grady County, Oklahoma · E.Ofchickasha Sport Cmplx · Structure no. 287290000000000

Built
2006
19 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
51 ft
4 main spans
Daily traffic
500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Grand Ave. North over Congo Creek is a concrete culvert carrying Grand Ave. North over Congo Creek in Grady County, Oklahoma. It was built in 2006, so it is 19 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 800 by 2042. The structure is 51 ft (15.5 m) long and 60 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGrand Ave. North
CrossesCongo Creek
LocationE.Ofchickasha Sport Cmplx
RouteCity Street 0
CountyGrady County
StateOklahoma
Coordinates35.03476, -97.91877
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span12 ft (3.7 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks10%
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$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Grand Ave. North over Congo Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Grand Ave. North over Congo Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Grand Ave. North over Congo Creek carry?

About 500 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Grand Ave. North over Congo Creek?

The structure is 51 ft (15.5 m) long with a longest span of 12 ft (3.7 m) and a deck 60 ft wide.

Who owns Grand Ave. North over Congo Creek?

It is owned by the City or Municipal Highway Agency.