US Bridges

Mo 5 S over Cottonwood CR

Fair

Chariton County, Missouri · S 9 T 54 N R 18 W · Structure no. 5485

Built
1931
94 years old, rebuilt 1992
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
128 ft
3 main spans
Daily traffic
732
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 5 S over Cottonwood CR is a steel stringer/multi-beam or girder carrying Mo 5 S over Cottonwood CR in Chariton County, Missouri. It was built in 1931 and reconstructed in 1992, so it is 94 years old, older 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 5 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 732 vehicles a day, roughly 25% of them trucks, projected to reach 952 by 2044. The structure is 128 ft (39 m) long and 25 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesMo 5 S
CrossesCottonwood CR
LocationS 9 T 54 N R 18 W
RouteState Highway 5
Coordinates39.50151, -92.92479
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length128 ft (39 m)
Longest span43 ft (13 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic732 (2024)
Projected traffic952 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 Mo 5 S over Cottonwood CR built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1992.

What condition is Mo 5 S over Cottonwood 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 5 S over Cottonwood CR carry?

About 732 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is Mo 5 S over Cottonwood CR?

The structure is 128 ft (39 m) long with a longest span of 43 ft (13 m) and a deck 25 ft wide.

Who owns Mo 5 S over Cottonwood CR?

It is owned by the State Highway Agency.