US Bridges

County RD 274 over Muddy CR

FairPosted for load

Andrew County, Missouri · S 6 T 58 N R 33 W · Structure no. 20774

Built
1992
33 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 274 over Muddy CR is a steel stringer/multi-beam or girder carrying County RD 274 over Muddy CR in Andrew County, Missouri. It was built in 1992, so it is 33 years old, younger 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2044. The structure is 50 ft (15.2 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty RD 274
CrossesMuddy CR
LocationS 6 T 58 N R 33 W
RouteCounty Highway 274
CountyAndrew County
StateMissouri
Coordinates39.86316, -94.63631
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 inspectionDecember 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.8 US tons
Inventory rating7.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length50 ft (15.2 m)
Longest span50 ft (15.1 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic46 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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$399,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 274 over Muddy CR built?

It was built in 1992, making it 33 years old in 2025.

What condition is County RD 274 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 December 2023.

How much traffic does County RD 274 over Muddy CR carry?

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 274 over Muddy CR?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.1 m) and a deck 19 ft wide.

Who owns County RD 274 over Muddy CR?

It is owned by the County Highway Agency.