US Bridges

Mo 6 E over Chariton Rvr

Good

Adair County, Missouri · S 28 T 63 N R 16 W · Structure no. 36860

Built
2022
3 years old
Condition
Good
inspected January 2025
Type
Tee Beam
Prestressed Concrete Continuous
Length
529 ft
6 main spans
Daily traffic
3,776
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 6 E over Chariton Rvr is a prestressed concrete continuous tee beam carrying Mo 6 E over Chariton Rvr in Adair County, Missouri. It was built in 2022, so it is 3 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,776 vehicles a day, roughly 13% of them trucks, projected to reach 6,608 by 2044. The structure is 529 ft (161.1 m) long and 37 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesMo 6 E
CrossesChariton Rvr
LocationS 28 T 63 N R 16 W
RouteState Highway 6
Coordinates40.23437, -92.6865
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length529 ft (161.1 m)
Longest span110 ft (33.5 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,776 (2024)
Projected traffic6,608 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 6 E over Chariton Rvr built?

It was built in 2022, making it 3 years old in 2025.

What condition is Mo 6 E over Chariton Rvr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Mo 6 E over Chariton Rvr carry?

About 3,776 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Mo 6 E over Chariton Rvr?

The structure is 529 ft (161.1 m) long with a longest span of 110 ft (33.5 m) and a deck 37 ft wide.

Who owns Mo 6 E over Chariton Rvr?

It is owned by the State Highway Agency.