US Bridges

Rt D S over Mill CR

Fair

Hickory County, Missouri · S 22 T 37 N R 21 W · Structure no. 9917

Built
1949
76 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
884
2024 count
Owner
State
State Highway Agency

About this bridge

Rt D S over Mill CR is a concrete continuous culvert carrying Rt D S over Mill CR in Hickory County, Missouri. It was built in 1949, so it is 76 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 884 vehicles a day, roughly 11% of them trucks, projected to reach 1,193 by 2044. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesRt D S
CrossesMill CR
LocationS 22 T 37 N R 21 W
RouteState Highway 0D
Coordinates37.93591, -93.21792
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length29 ft (8.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic884 (2024)
Projected traffic1,193 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt D S over Mill CR built?

It was built in 1949, making it 76 years old in 2025.

What condition is Rt D S over Mill 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 Rt D S over Mill CR carry?

About 884 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt D S over Mill CR?

The structure is 29 ft (8.9 m) long with a longest span of 10 ft (3 m).

Who owns Rt D S over Mill CR?

It is owned by the State Highway Agency.