US Bridges

N3900 over Creek

Fair

Creek County, Oklahoma · .4S .5W of Mounds · Structure no. 305310000000000

Built
2012
13 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
125
2022 count
Owner
County
County Highway Agency

About this bridge

N3900 over Creek is a concrete culvert carrying N3900 over Creek in Creek County, Oklahoma. It was built in 2012, so it is 13 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 125 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2042. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesN3900
CrossesCreek
Location.4S .5W of Mounds
RouteCounty Highway N3900
Coordinates35.87083, -96.06889
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic200 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3900 over Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is N3900 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 May 2024.

How much traffic does N3900 over Creek carry?

About 125 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3900 over Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns N3900 over Creek?

It is owned by the County Highway Agency.