US Bridges

US 69 S over N Fk Crooked Rvr

Fair

Clinton County, Missouri · S 23 T 55 N R 30 W · Structure no. 4131

Built
1993
32 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
1,082
2024 count
Owner
State
State Highway Agency

About this bridge

US 69 S over N Fk Crooked Rvr is a concrete continuous culvert carrying US 69 S over N Fk Crooked Rvr in Clinton County, Missouri. It was built in 1993, so it is 32 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 1,082 vehicles a day, roughly 4% of them trucks, projected to reach 1,407 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 21.1 mi (34 km).

CarriesUS 69 S
CrossesN Fk Crooked Rvr
LocationS 23 T 55 N R 30 W
RouteU.S. Route 69
Coordinates39.55622, -94.23569
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 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,082 (2024)
Projected traffic1,407 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

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 US 69 S over N Fk Crooked Rvr built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 69 S over N Fk Crooked Rvr 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 US 69 S over N Fk Crooked Rvr carry?

About 1,082 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 69 S over N Fk Crooked Rvr?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m).

Who owns US 69 S over N Fk Crooked Rvr?

It is owned by the State Highway Agency.