US Bridges

N4400 over Clear Creek

Fair

Cherokee County, Oklahoma · 2E 2.5N of Lost City · Structure no. 315210000000000

Built
2017
8 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

N4400 over Clear Creek is a concrete culvert carrying N4400 over Clear Creek in Cherokee County, Oklahoma. It was built in 2017, so it is 8 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 350 vehicles a day, roughly 15% of them trucks, projected to reach 560 by 2042. The structure is 42 ft (12.8 m) long and 41 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesN4400
CrossesClear Creek
Location2E 2.5N of Lost City
RouteCounty Highway N4400
Coordinates36.02437, -95.17197
Functional classRural Major 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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length42 ft (12.8 m)
Longest span38 ft (11.6 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic560 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was N4400 over Clear Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is N4400 over Clear 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 2023.

How much traffic does N4400 over Clear Creek carry?

About 350 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4400 over Clear Creek?

The structure is 42 ft (12.8 m) long with a longest span of 38 ft (11.6 m) and a deck 41 ft wide.

Who owns N4400 over Clear Creek?

It is owned by the County Highway Agency.