US Bridges

Chevalier RD over Muddy CR

PoorPosted for load

Pettis County, Missouri · S 30 T 46 N R 22 W · Structure no. 23737

Built
1930
95 years old, rebuilt 1995
Condition
Poor
inspected February 2024
Type
Truss - Thru
Steel
Length
146 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Chevalier RD over Muddy CR is a steel truss - thru carrying Chevalier RD over Muddy CR in Pettis County, Missouri. It was built in 1930 and reconstructed in 1995, 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 51 by 2044. The structure is 146 ft (44.5 m) long and 13 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesChevalier RD
CrossesMuddy CR
LocationS 30 T 46 N R 22 W
RouteCounty Highway 428
Coordinates38.73354, -93.38253
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, 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 above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.9 US tons
Inventory rating10.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadOther
Structure length146 ft (44.5 m)
Longest span96 ft (29.3 m)
Deck width13 ft (3.9 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic51 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$982,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Chevalier RD over Muddy CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1995.

What condition is Chevalier RD over Muddy CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Chevalier RD over Muddy CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Chevalier RD over Muddy CR?

The structure is 146 ft (44.5 m) long with a longest span of 96 ft (29.3 m) and a deck 13 ft wide.

Who owns Chevalier RD over Muddy CR?

It is owned by the County Highway Agency.