US Bridges

Hickory RD over Trib of Mud CR

Fair

Carroll County, Missouri · S 30 T 55 N R 25 W · Structure no. 34747

Built
1980
45 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Hickory RD over Trib of Mud CR is a steel stringer/multi-beam or girder carrying Hickory RD over Trib of Mud CR in Carroll County, Missouri. It was built in 1980, so it is 45 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 11 by 2044. The structure is 40 ft (12.1 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHickory RD
CrossesTrib of Mud CR
LocationS 30 T 55 N R 25 W
RouteCounty Highway 26
Coordinates39.55317, -93.75919
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span39 ft (11.8 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic11 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Hickory RD over Trib of Mud CR built?

It was built in 1980, making it 45 years old in 2025.

What condition is Hickory RD over Trib of Mud 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 February 2024.

How much traffic does Hickory RD over Trib of Mud CR carry?

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

How long is Hickory RD over Trib of Mud CR?

The structure is 40 ft (12.1 m) long with a longest span of 39 ft (11.8 m) and a deck 18 ft wide.

Who owns Hickory RD over Trib of Mud CR?

It is owned by the County Highway Agency.