US Bridges

Mo 46 E over E Fk Muddy CR

Fair

Harrison County, Missouri · S 12 T 66 N R 29 W · Structure no. 9543

Built
1941
84 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
291
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 46 E over E Fk Muddy CR is a concrete continuous culvert carrying Mo 46 E over E Fk Muddy CR in Harrison County, Missouri. It was built in 1941, so it is 84 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 291 vehicles a day, roughly 6% of them trucks, projected to reach 378 by 2044. The structure is 21 ft (6.4 m) long and 27 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesMo 46 E
CrossesE Fk Muddy CR
LocationS 12 T 66 N R 29 W
RouteState Highway 46
Coordinates40.52896, -94.12908
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic291 (2024)
Projected traffic378 by 2044
Trucks6%
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 46 E over E Fk Muddy CR built?

It was built in 1941, making it 84 years old in 2025.

What condition is Mo 46 E over E Fk Muddy 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 2023.

How much traffic does Mo 46 E over E Fk Muddy CR carry?

About 291 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Mo 46 E over E Fk Muddy CR?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns Mo 46 E over E Fk Muddy CR?

It is owned by the State Highway Agency.