US Bridges

N3900 over Childers Creek

Fair

Creek County, Oklahoma · .5N of Kiefer · Structure no. 294150000000000

Built
2010
15 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

N3900 over Childers Creek is a prestressed concrete tee beam carrying N3900 over Childers Creek in Creek County, Oklahoma. It was built in 2010, so it is 15 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2042. The structure is 55 ft (16.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN3900
CrossesChilders Creek
Location.5N of Kiefer
RouteCounty Highway E3900
Coordinates35.95194, -96.06528
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 rating81.4 US tons
Inventory rating38.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.9 m)
Longest span55 ft (16.9 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic240 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$610,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3900 over Childers Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is N3900 over Childers 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 Childers Creek carry?

About 150 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3900 over Childers Creek?

The structure is 55 ft (16.9 m) long with a longest span of 55 ft (16.9 m) and a deck 28 ft wide.

Who owns N3900 over Childers Creek?

It is owned by the County Highway Agency.