US Bridges

6306C over Creek

Poor

Pottawatomie County, Oklahoma · 4.5 W of Centerview · Structure no. 133670000000000

Built
1955
70 years old
Condition
Poor
inspected September 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
880
2022 count
Owner
County
County Highway Agency

About this bridge

6306C over Creek is a concrete culvert carrying 6306C over Creek in Pottawatomie County, Oklahoma. It was built in 1955, so it is 70 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 880 vehicles a day, roughly 15% of them trucks, projected to reach 1,408 by 2042. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries6306C
CrossesCreek
Location4.5 W of Centerview
RouteCounty Highway 6306C
CountyPottawatomie County
StateOklahoma
Coordinates35.43388, -96.74346
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionSeptember 2024
Inspection intervalevery 6 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2022)
Projected traffic1,408 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6306C over Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is 6306C over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does 6306C over Creek carry?

About 880 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 6306C over Creek?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns 6306C over Creek?

It is owned by the County Highway Agency.