US Bridges

County RD 51 over Br of Muddy Fk

Good

Dade County, Missouri · S 11 T 30 N R 28 W · Structure no. 22915

Built
1989
36 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 51 over Br of Muddy Fk is a steel stringer/multi-beam or girder carrying County RD 51 over Br of Muddy Fk in Dade County, Missouri. It was built in 1989, so it is 36 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2044. The structure is 24 ft (7.3 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty RD 51
CrossesBr of Muddy Fk
LocationS 11 T 30 N R 28 W
RouteCounty Highway 380
CountyDade County
StateMissouri
Coordinates37.35251, -93.99053
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 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 closed3.1 mi (5 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 51 over Br of Muddy Fk built?

It was built in 1989, making it 36 years old in 2025.

What condition is County RD 51 over Br of Muddy Fk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does County RD 51 over Br of Muddy Fk carry?

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

How long is County RD 51 over Br of Muddy Fk?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns County RD 51 over Br of Muddy Fk?

It is owned by the County Highway Agency.