US Bridges

US 24 E over N Fk Salt Rvr

Fair

Monroe County, Missouri · S 14 T 55 N R 9 W · Structure no. 3169

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
764 ft
3 main spans
Daily traffic
1,921
2024 count
Owner
State
State Highway Agency

About this bridge

US 24 E over N Fk Salt Rvr is a steel continuous stringer/multi-beam or girder carrying US 24 E over N Fk Salt Rvr in Monroe County, Missouri. It was built in 1977, so it is 48 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 1,921 vehicles a day, roughly 28% of them trucks, projected to reach 3,650 by 2044. The structure is 764 ft (232.9 m) long and 47 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS 24 E
CrossesN Fk Salt Rvr
LocationS 14 T 55 N R 9 W
RouteU.S. Route 24
Coordinates39.54771, -91.8776
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating32.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+8 approach)
Design loadH 20
Structure length764 ft (232.9 m)
Longest span123 ft (37.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,921 (2024)
Projected traffic3,650 by 2044
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 24 E over N Fk Salt Rvr built?

It was built in 1977, making it 48 years old in 2025.

What condition is US 24 E over N Fk Salt 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 July 2024.

How much traffic does US 24 E over N Fk Salt Rvr carry?

About 1,921 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is US 24 E over N Fk Salt Rvr?

The structure is 764 ft (232.9 m) long with a longest span of 123 ft (37.5 m) and a deck 47 ft wide.

Who owns US 24 E over N Fk Salt Rvr?

It is owned by the State Highway Agency.