US Bridges

Mo 154 E over Elk Fk Salt Rvr

Fair

Monroe County, Missouri · S 22 T 54 N R 9 W · Structure no. 3104

Built
1976
49 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
628 ft
3 main spans
Daily traffic
1,847
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 154 E over Elk Fk Salt Rvr is a steel continuous stringer/multi-beam or girder carrying Mo 154 E over Elk Fk Salt Rvr in Monroe County, Missouri. It was built in 1976, so it is 49 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 1,847 vehicles a day, roughly 14% of them trucks, projected to reach 2,678 by 2044. The structure is 628 ft (191.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMo 154 E
CrossesElk Fk Salt Rvr
LocationS 22 T 54 N R 9 W
RouteState Highway 154
Coordinates39.45451, -91.90747
Functional classRural Major Collector

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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating27.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+6 approach)
Design loadH 20
Structure length628 ft (191.4 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,847 (2024)
Projected traffic2,678 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Mo 154 E over Elk Fk Salt Rvr built?

It was built in 1976, making it 49 years old in 2025.

What condition is Mo 154 E over Elk 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 Mo 154 E over Elk Fk Salt Rvr carry?

About 1,847 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Mo 154 E over Elk Fk Salt Rvr?

The structure is 628 ft (191.4 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns Mo 154 E over Elk Fk Salt Rvr?

It is owned by the State Highway Agency.