US Bridges

Rt M E over Mid Fk Salt Rvr

Fair

Macon County, Missouri · S 23 T 59 N R 14 W · Structure no. 6391

Built
1954
71 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
143 ft
3 main spans
Daily traffic
308
2024 count
Owner
State
State Highway Agency

About this bridge

Rt M E over Mid Fk Salt Rvr is a steel stringer/multi-beam or girder carrying Rt M E over Mid Fk Salt Rvr in Macon County, Missouri. It was built in 1954, so it is 71 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 308 vehicles a day, roughly 8% of them trucks, projected to reach 385 by 2044. The structure is 143 ft (43.6 m) long and 25 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesRt M E
CrossesMid Fk Salt Rvr
LocationS 23 T 59 N R 14 W
RouteState Highway 0M
CountyMacon County
StateMissouri
Coordinates39.89654, -92.43771
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length143 ft (43.6 m)
Longest span47 ft (14.3 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic308 (2024)
Projected traffic385 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Rt M E over Mid Fk Salt Rvr built?

It was built in 1954, making it 71 years old in 2025.

What condition is Rt M E over Mid 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 September 2023.

How much traffic does Rt M E over Mid Fk Salt Rvr carry?

About 308 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rt M E over Mid Fk Salt Rvr?

The structure is 143 ft (43.6 m) long with a longest span of 47 ft (14.3 m) and a deck 25 ft wide.

Who owns Rt M E over Mid Fk Salt Rvr?

It is owned by the State Highway Agency.