US Bridges

US 61 N over US 24

Fair

Marion County, Missouri · S 1 T 59 N R 6 W · Structure no. 2701

Built
1973
52 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
359 ft
4 main spans
Daily traffic
5,375
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 N over US 24 is a steel continuous stringer/multi-beam or girder carrying US 61 N over US 24 in Marion County, Missouri. It was built in 1973, so it is 52 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 5,375 vehicles a day, roughly 32% of them trucks, projected to reach 10,213 by 2044. The structure is 359 ft (109.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 61 N
CrossesUS 24
LocationS 1 T 59 N R 6 W
RouteU.S. Route 61
Coordinates39.93463, -91.51751
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating51.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length359 ft (109.4 m)
Longest span126 ft (38.4 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,375 (2024)
Projected traffic10,213 by 2044
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 61 N over US 24 built?

It was built in 1973, making it 52 years old in 2025.

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

About 5,375 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is US 61 N over US 24?

The structure is 359 ft (109.4 m) long with a longest span of 126 ft (38.4 m) and a deck 47 ft wide.

Who owns US 61 N over US 24?

It is owned by the State Highway Agency.