US Bridges

Mo 107 S over S Fk Salt Rvr

Fair

Monroe County, Missouri · S 9 T 54 N R 8 W · Structure no. 3155

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,652 ft
11 main spans
Daily traffic
377
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 107 S over S Fk Salt Rvr is a steel continuous stringer/multi-beam or girder carrying Mo 107 S over S 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 377 vehicles a day, roughly 17% of them trucks, projected to reach 547 by 2044. The structure is 1,652 ft (503.5 m) long and 41 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesMo 107 S
CrossesS Fk Salt Rvr
LocationS 9 T 54 N R 8 W
RouteState Highway 107
Coordinates39.48143, -91.79237
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating27.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11 (+6 approach)
Design loadH 20
Structure length1,652 ft (503.5 m)
Longest span123 ft (37.5 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic377 (2024)
Projected traffic547 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 107 S over S Fk Salt Rvr built?

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

What condition is Mo 107 S over S 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 107 S over S Fk Salt Rvr carry?

About 377 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Mo 107 S over S Fk Salt Rvr?

The structure is 1,652 ft (503.5 m) long with a longest span of 123 ft (37.5 m) and a deck 41 ft wide.

Who owns Mo 107 S over S Fk Salt Rvr?

It is owned by the State Highway Agency.