US Bridges

US 61 S over US 24

Fair

Marion County, Missouri · S 12 T 57 N R 6 W · Structure no. 388

Built
1960
65 years old, rebuilt 2007
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
153 ft
3 main spans
Daily traffic
6,021
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 S over US 24 is a concrete continuous slab carrying US 61 S over US 24 in Marion County, Missouri. It was built in 1960 and reconstructed in 2007, so it is 65 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 6,021 vehicles a day, roughly 33% of them trucks, projected to reach 11,440 by 2044. The structure is 153 ft (46.6 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 61 S
CrossesUS 24
LocationS 12 T 57 N R 6 W
RouteU.S. Route 61
Coordinates39.74387, -91.51041
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length153 ft (46.6 m)
Longest span56 ft (17.1 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,021 (2024)
Projected traffic11,440 by 2044
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 61 S over US 24 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2007.

What condition is US 61 S over US 24 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 US 24 carry?

About 6,021 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is US 61 S over US 24?

The structure is 153 ft (46.6 m) long with a longest span of 56 ft (17.1 m) and a deck 31 ft wide.

Who owns US 61 S over US 24?

It is owned by the State Highway Agency.