US Bridges

County RD 266 over Br of Muddy CR

FairPosted for load

Andrew County, Missouri · S 6 T 58 N R 33 W · Structure no. 20598

Built
1930
95 years old, rebuilt 1985
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 266 over Br of Muddy CR is a steel stringer/multi-beam or girder carrying County RD 266 over Br of Muddy CR in Andrew County, Missouri. It was built in 1930 and reconstructed in 1985, 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 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. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 61 ft (18.6 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 266
CrossesBr of Muddy CR
LocationS 6 T 58 N R 33 W
RouteCounty Highway 266
Coordinates39.87046, -94.63538
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 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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating22.8 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length61 ft (18.6 m)
Longest span59 ft (18 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 266 over Br of Muddy CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1985.

What condition is County RD 266 over Br of 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 266 over Br of Muddy CR carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 266 over Br of Muddy CR?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18 m) and a deck 14 ft wide.

Who owns County RD 266 over Br of Muddy CR?

It is owned by the County Highway Agency.