US Bridges

US 61 S over Minnow CR

Fair

Marion County, Missouri · S 30 T 57 N R 4 W · Structure no. 5393

Built
1930
95 years old, rebuilt 1964
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
46 ft
3 main spans
Daily traffic
29,762
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 S over Minnow CR is a concrete continuous culvert carrying US 61 S over Minnow CR in Marion County, Missouri. It was built in 1930 and reconstructed in 1964, 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 5 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 29,762 vehicles a day, roughly 24% of them trucks, projected to reach 46,131 by 2044. The structure is 46 ft (14.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 61 S
CrossesMinnow CR
LocationS 30 T 57 N R 4 W
RouteU.S. Route 61
CountyMarion County
StateMissouri
Coordinates39.71015, -91.39126
Functional classUrban Other Principal Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length46 ft (14.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,762 (2024)
Projected traffic46,131 by 2044
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 61 S over Minnow CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1964.

What condition is US 61 S over Minnow 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 October 2023.

How much traffic does US 61 S over Minnow CR carry?

About 29,762 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is US 61 S over Minnow CR?

The structure is 46 ft (14.1 m) long with a longest span of 12 ft (3.7 m).

Who owns US 61 S over Minnow CR?

It is owned by the State Highway Agency.