US Bridges

Mo 6 E over Lit Troublesome CR

Fair

Lewis County, Missouri · S 31 T 62 N R 9 W · Structure no. 5275

Built
1930
95 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
35 ft
3 main spans
Daily traffic
2,202
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 6 E over Lit Troublesome CR is a concrete continuous culvert carrying Mo 6 E over Lit Troublesome CR in Lewis County, Missouri. It was built in 1930, so it is 95 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 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 2,202 vehicles a day, roughly 21% of them trucks, projected to reach 4,184 by 2044. The structure is 35 ft (10.8 m) long and 41 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesMo 6 E
CrossesLit Troublesome CR
LocationS 31 T 62 N R 9 W
RouteState Highway 6
Coordinates40.12677, -91.94472
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 inspectionOctober 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length35 ft (10.8 m)
Longest span10 ft (3 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,202 (2024)
Projected traffic4,184 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes

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 6 E over Lit Troublesome CR built?

It was built in 1930, making it 95 years old in 2025.

What condition is Mo 6 E over Lit Troublesome 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 October 2024.

How much traffic does Mo 6 E over Lit Troublesome CR carry?

About 2,202 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Mo 6 E over Lit Troublesome CR?

The structure is 35 ft (10.8 m) long with a longest span of 10 ft (3 m) and a deck 41 ft wide.

Who owns Mo 6 E over Lit Troublesome CR?

It is owned by the State Highway Agency.