US Bridges

Mo 23 S over N Fk Clear CR

Fair

Johnson County, Missouri · S 21 T 46 N R 24 W · Structure no. 4063

Built
1995
30 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
7,228
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 23 S over N Fk Clear CR is a concrete continuous culvert carrying Mo 23 S over N Fk Clear CR in Johnson County, Missouri. It was built in 1995, so it is 30 years old, younger than the Missouri average of 45.1 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 7,228 vehicles a day, roughly 7% of them trucks, projected to reach 12,649 by 2044. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 21.7 mi (35 km).

CarriesMo 23 S
CrossesN Fk Clear CR
LocationS 21 T 46 N R 24 W
RouteState Highway 23
Coordinates38.75832, -93.57301
Functional classRural Principal Arterial - Other

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,228 (2024)
Projected traffic12,649 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 23 S over N Fk Clear CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is Mo 23 S over N Fk Clear CR 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 December 2024.

How much traffic does Mo 23 S over N Fk Clear CR carry?

About 7,228 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mo 23 S over N Fk Clear CR?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Mo 23 S over N Fk Clear CR?

It is owned by the State Highway Agency.