US Bridges

Mo 6 E over S Fk S Fabius Rvr

Fair

Knox County, Missouri · S 24 T 62 N R 12 W · Structure no. 5104

Built
1932
93 years old, rebuilt 1990
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
473 ft
9 main spans
Daily traffic
3,515
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 6 E over S Fk S Fabius Rvr is a steel stringer/multi-beam or girder carrying Mo 6 E over S Fk S Fabius Rvr in Knox County, Missouri. It was built in 1932 and reconstructed in 1990, so it is 93 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 3,515 vehicles a day, roughly 33% of them trucks, projected to reach 6,679 by 2044. The structure is 473 ft (144.2 m) long and 25 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesMo 6 E
CrossesS Fk S Fabius Rvr
LocationS 24 T 62 N R 12 W
RouteState Highway 6
CountyKnox County
StateMissouri
Coordinates40.15819, -92.17503
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length473 ft (144.2 m)
Longest span52 ft (16 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,515 (2024)
Projected traffic6,679 by 2044
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 6 E over S Fk S Fabius Rvr built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1990.

What condition is Mo 6 E over S Fk S Fabius 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 November 2023.

How much traffic does Mo 6 E over S Fk S Fabius Rvr carry?

About 3,515 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is Mo 6 E over S Fk S Fabius Rvr?

The structure is 473 ft (144.2 m) long with a longest span of 52 ft (16 m) and a deck 25 ft wide.

Who owns Mo 6 E over S Fk S Fabius Rvr?

It is owned by the State Highway Agency.