US Bridges

Schenk RD over Muddy CR

FairPosted for load

Pettis County, Missouri · S 17 T 45 N R 23 W · Structure no. 23239

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Girder and Floorbeam System
Steel
Length
78 ft
1 main span
Daily traffic
15
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 1970, so it is 55 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 26 by 2044. The structure is 78 ft (23.8 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
Coordinates38.68949, -93.46917
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating22.8 US tons
Inventory rating14.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadOther
Structure length78 ft (23.8 m)
Longest span73 ft (22.3 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic26 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$583,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Schenk RD over Muddy CR built?

It was built in 1970, making it 55 years old in 2025.

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

How long is Schenk RD over Muddy CR?

The structure is 78 ft (23.8 m) long with a longest span of 73 ft (22.3 m) and a deck 18 ft wide.

Who owns Schenk RD over Muddy CR?

It is owned by the County Highway Agency.