US Bridges

Schenk RD over Muddy CR

FairPosted for load

Pettis County, Missouri · S 17 T 45 N R 23 W · Structure no. 23241

Built
1900
125 years old, rebuilt 1982
Condition
Fair
inspected February 2024
Type
Girder and Floorbeam System
Steel
Length
38 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Schenk RD over Muddy CR is a steel girder and floorbeam system carrying Schenk RD over Muddy CR in Pettis County, Missouri. It was built in 1900 and reconstructed in 1982, so it is 125 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 34 by 2044. The structure is 38 ft (11.6 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSchenk RD
CrossesMuddy CR
LocationS 17 T 45 N R 23 W
RouteCounty Highway 397
CountyPettis County
StateMissouri
Coordinates38.68, -93.46958
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.9 US tons
Inventory rating8.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic34 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$327,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Schenk RD over Muddy CR built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1982.

What condition is Schenk RD over 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 February 2024.

How much traffic does Schenk RD over Muddy CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Schenk RD over Muddy CR?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 18 ft wide.

Who owns Schenk RD over Muddy CR?

It is owned by the County Highway Agency.