US Bridges

Mo 6 E over N Fk S Fabius Rvr

Fair

Knox County, Missouri · S 17 T 62 N R 11 W · Structure no. 3608

Built
1985
40 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
406 ft
9 main spans
Daily traffic
2,502
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 6 E over N Fk S Fabius Rvr is a prestressed concrete continuous tee beam carrying Mo 6 E over N Fk S Fabius Rvr in Knox County, Missouri. It was built in 1985, so it is 40 years old, younger 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 2,502 vehicles a day, roughly 14% of them trucks, projected to reach 4,754 by 2044. The structure is 406 ft (123.7 m) long and 41 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesMo 6 E
CrossesN Fk S Fabius Rvr
LocationS 17 T 62 N R 11 W
RouteState Highway 6
CountyKnox County
StateMissouri
Coordinates40.16811, -92.15034
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length406 ft (123.7 m)
Longest span46 ft (13.9 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,502 (2024)
Projected traffic4,754 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 Mo 6 E over N Fk S Fabius Rvr built?

It was built in 1985, making it 40 years old in 2025.

What condition is Mo 6 E over N 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 N Fk S Fabius Rvr carry?

About 2,502 vehicles per day (2024 count), of which roughly 14% are trucks.

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

The structure is 406 ft (123.7 m) long with a longest span of 46 ft (13.9 m) and a deck 41 ft wide.

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

It is owned by the State Highway Agency.