US Bridges

NS3400 over Creek

Fair

Pottawatomie County, Oklahoma · 2.3 S & 1.3 W of Shawnee · Structure no. 112510000000000

Built
1950
75 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
475
2022 count
Owner
County
County Highway Agency

About this bridge

NS3400 over Creek is a concrete culvert carrying NS3400 over Creek in Pottawatomie County, Oklahoma. It was built in 1950, so it is 75 years old, older 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 475 vehicles a day, roughly 5% of them trucks, projected to reach 760 by 2042. The structure is 20 ft (6.1 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNS3400
CrossesCreek
Location2.3 S & 1.3 W of Shawnee
RouteCounty Highway 5421
Coordinates35.29984, -96.94797
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 spans2
Design loadH 20
Structure length20 ft (6.1 m)
Longest span10 ft (3 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2022)
Projected traffic760 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 NS3400 over Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is NS3400 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 March 2023.

How much traffic does NS3400 over Creek carry?

About 475 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is NS3400 over Creek?

The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns NS3400 over Creek?

It is owned by the County Highway Agency.