US Bridges

Mo 15 S over Lit Fabius Rvr

Fair

Knox County, Missouri · S 30 T 61 N R 11 W · Structure no. 3682

Built
1986
39 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
85 ft
3 main spans
Daily traffic
754
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 15 S over Lit Fabius Rvr is a prestressed concrete continuous tee beam carrying Mo 15 S over Lit Fabius Rvr in Knox County, Missouri. It was built in 1986, so it is 39 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 754 vehicles a day, roughly 14% of them trucks, projected to reach 1,169 by 2044. The structure is 85 ft (25.9 m) long and 39 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesMo 15 S
CrossesLit Fabius Rvr
LocationS 30 T 61 N R 11 W
RouteState Highway 15
Coordinates40.05823, -92.17491
Functional classRural Minor Arterial

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.
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 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 rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span29 ft (8.7 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic754 (2024)
Projected traffic1,169 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 15 S over Lit Fabius Rvr built?

It was built in 1986, making it 39 years old in 2025.

What condition is Mo 15 S over Lit 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 15 S over Lit Fabius Rvr carry?

About 754 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Mo 15 S over Lit Fabius Rvr?

The structure is 85 ft (25.9 m) long with a longest span of 29 ft (8.7 m) and a deck 39 ft wide.

Who owns Mo 15 S over Lit Fabius Rvr?

It is owned by the State Highway Agency.