US Bridges

US 24 W over Mississippi Rvr

Fair

Marion County, Missouri · S 2 T 59 N R 5 W · Structure no. 3493

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Stayed Girder
Steel Continuous
Length
4,508 ft
5 main spans
Daily traffic
10,271
2024 count
Owner
State
State Highway Agency

About this bridge

US 24 W over Mississippi Rvr is a steel continuous stayed girder carrying US 24 W over Mississippi Rvr in Marion County, Missouri. It was built in 1985, so it is 40 years old, younger 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 10,271 vehicles a day, roughly 25% of them trucks, projected to reach 19,515 by 2044. The structure is 4,508 ft (1,374 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 24 W
CrossesMississippi Rvr
LocationS 2 T 59 N R 5 W
RouteU.S. Route 24
CountyMarion County
StateMissouri
Coordinates39.93157, -91.42583
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStayed Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans5 (+14 approach)
Design loadHS 20
Structure length4,508 ft (1,374 m)
Longest span900 ft (274.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,271 (2024)
Projected traffic19,515 by 2044
Trucks25%
Lanes on structure2
Traffic directionOne-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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 24 W over Mississippi Rvr built?

It was built in 1985, making it 40 years old in 2025.

What condition is US 24 W over Mississippi Rvr 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 August 2024.

How much traffic does US 24 W over Mississippi Rvr carry?

About 10,271 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is US 24 W over Mississippi Rvr?

The structure is 4,508 ft (1,374 m) long with a longest span of 900 ft (274.3 m) and a deck 35 ft wide.

Who owns US 24 W over Mississippi Rvr?

It is owned by the State Highway Agency.