US Bridges

Mussel Fork Ave over Mussel Fk

Fair

Chariton County, Missouri · S 16 T 55 N R 18 W · Structure no. 18784

Built
1920
105 years old, rebuilt 1989
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
162 ft
3 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Mussel Fork Ave over Mussel Fk is a prestressed concrete stringer/multi-beam or girder carrying Mussel Fork Ave over Mussel Fk in Chariton County, Missouri. It was built in 1920 and reconstructed in 1989, so it is 105 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 162 ft (49.4 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMussel Fork Ave
CrossesMussel Fk
LocationS 16 T 55 N R 18 W
RouteCounty Highway 199
Coordinates39.56505, -92.92179
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length162 ft (49.4 m)
Longest span53 ft (16.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Mussel Fork Ave over Mussel Fk built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1989.

What condition is Mussel Fork Ave over Mussel Fk 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 October 2024.

How much traffic does Mussel Fork Ave over Mussel Fk carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mussel Fork Ave over Mussel Fk?

The structure is 162 ft (49.4 m) long with a longest span of 53 ft (16.2 m) and a deck 26 ft wide.

Who owns Mussel Fork Ave over Mussel Fk?

It is owned by the County Highway Agency.