2684C over Creek

FairPosted for load

Grady County, Oklahoma · 2.4 MI W Mc Clain C/L · Structure no. 202320000000000

Built: 1982; 43 years old
Condition: Fair; inspected October 2024
Type: Tee Beam; Prestressed Concrete
Length: 91 ft; 3 main spans
Daily traffic: 271; 2022 count
Owner: County; County Highway Agency

About this bridge

2684C over Creek is a prestressed concrete tee beam carrying 2684C over Creek in Grady County, Oklahoma. It was built in 1982, so it is 43 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 271 vehicles a day, roughly 15% of them trucks, projected to reach 434 by 2042. The structure is 91 ft (27.6 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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Carries2684C

CrossesCreek

Location2.4 MI W Mc Clain C/L

RouteCounty Highway 2684C

CountyGrady County

StateOklahoma

Coordinates35.16832, -97.68819

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionOctober 2024

Inspection intervalevery 24 months

Operating statusPosted for load restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating49.1 US tons

Inventory rating29 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length91 ft (27.6 m)

Longest span30 ft (9.1 m)

Deck width28 ft (8.6 m)

Roadway width27 ft (8.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic271 (2022)

Projected traffic434 by 2042

Trucks15%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed8.1 mi (13 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$480,000

NavigationNo navigation control on waterway

Frequently asked questions

When was 2684C over Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is 2684C 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 2684C over Creek carry?

About 271 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 2684C over Creek?

The structure is 91 ft (27.6 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns 2684C over Creek?

It is owned by the County Highway Agency.