US Bridges

Fox DR over Muddy CR

Fair

Linn County, Missouri · S 20 T 59 N R 20 W · Structure no. 19799

Built
1935
90 years old, rebuilt 2000
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Fox DR over Muddy CR is a steel stringer/multi-beam or girder carrying Fox DR over Muddy CR in Linn County, Missouri. It was built in 1935 and reconstructed in 2000, so it is 90 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.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 24 ft (7.3 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFox DR
CrossesMuddy CR
LocationS 20 T 59 N R 20 W
RouteCounty Highway 234
Coordinates39.91622, -93.15788
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.6 US tons
Inventory rating27.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Fox DR over Muddy CR built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2000.

What condition is Fox DR 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 November 2024.

How much traffic does Fox DR over Muddy CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Fox DR over Muddy CR?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 21 ft wide.

Who owns Fox DR over Muddy CR?

It is owned by the County Highway Agency.