US Bridges

County RD 11 over Muddy Fk Br

Fair

Dade County, Missouri · S 19 T 30 N R 28 W · Structure no. 28175

Built
1997
28 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 11 over Muddy Fk Br is a steel stringer/multi-beam or girder carrying County RD 11 over Muddy Fk Br in Dade County, Missouri. It was built in 1997, so it is 28 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 6 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty RD 11
CrossesMuddy Fk Br
LocationS 19 T 30 N R 28 W
RouteCounty Highway 27
CountyDade County
StateMissouri
Coordinates37.31979, -94.06454
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic29 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 11 over Muddy Fk Br built?

It was built in 1997, making it 28 years old in 2025.

What condition is County RD 11 over Muddy Fk Br 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 January 2024.

How much traffic does County RD 11 over Muddy Fk Br carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 11 over Muddy Fk Br?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns County RD 11 over Muddy Fk Br?

It is owned by the County Highway Agency.