US Bridges

5304C over Rock Creek

Fair

Nowata County, Oklahoma · 11.3 MI NE of SH 10 · Structure no. 245160000000000

Built
1997
28 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

5304C over Rock Creek is a concrete culvert carrying 5304C over Rock Creek in Nowata County, Oklahoma. It was built in 1997, so it is 28 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.

It carries about 50 vehicles a day, roughly 15% of them trucks, projected to reach 80 by 2042. The structure is 41 ft (12.5 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
Carries5304C
CrossesRock Creek
Location11.3 MI NE of SH 10
RouteCounty Highway 5304C
CountyNowata County
StateOklahoma
Coordinates36.97784, -95.49799
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating94.9 US tons
Inventory rating56.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span14 ft (4.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 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 closed9.9 mi (16 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 5304C over Rock Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is 5304C over Rock 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 April 2024.

How much traffic does 5304C over Rock Creek carry?

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

How long is 5304C over Rock Creek?

The structure is 41 ft (12.5 m) long with a longest span of 14 ft (4.3 m) and a deck 30 ft wide.

Who owns 5304C over Rock Creek?

It is owned by the County Highway Agency.