US Bridges

Dunbar over Creek

FairPosted for load

Pottawatomie County, Oklahoma · E of Okla ST · Structure no. 212280000000000

Built
1986
39 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
75
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dunbar over Creek is a concrete slab carrying Dunbar over Creek in Pottawatomie County, Oklahoma. It was built in 1986, so it is 39 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 33 ft (10.1 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDunbar
CrossesCreek
LocationE of Okla ST
RouteCity Street E1169
Coordinates35.31963, -96.9182
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span28 ft (8.4 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$281,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dunbar over Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Dunbar 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 August 2024.

How much traffic does Dunbar over Creek carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Dunbar over Creek?

The structure is 33 ft (10.1 m) long with a longest span of 28 ft (8.4 m) and a deck 32 ft wide.

Who owns Dunbar over Creek?

It is owned by the City or Municipal Highway Agency.