US Bridges

Rt a S over Mill CR

Fair

Ripley County, Missouri · S 9 T 22 N R 2 E · Structure no. 8955

Built
1934
91 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
807
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a S over Mill CR is a concrete continuous culvert carrying Rt a S over Mill CR in Ripley County, Missouri. It was built in 1934, so it is 91 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 807 vehicles a day, roughly 9% of them trucks, projected to reach 1,130 by 2044. The structure is 31 ft (9.6 m) long and 28 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

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CarriesRt a S
CrossesMill CR
LocationS 9 T 22 N R 2 E
RouteState Highway 0A
CountyRipley County
StateMissouri
Coordinates36.56082, -90.85418
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic807 (2024)
Projected traffic1,130 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 a S over Mill CR built?

It was built in 1934, making it 91 years old in 2025.

What condition is Rt a 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 December 2023.

How much traffic does Rt a S over Mill CR carry?

About 807 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Rt a S over Mill CR?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Rt a S over Mill CR?

It is owned by the State Highway Agency.