US Bridges

Middle Fork RD over Mid Fk Charition R

Fair

Chariton County, Missouri · S 20 T 54 N R 16 W · Structure no. 24311

Built
1920
105 years old, rebuilt 1990
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Middle Fork RD over Mid Fk Charition R is a steel stringer/multi-beam or girder carrying Middle Fork RD over Mid Fk Charition R in Chariton County, Missouri. It was built in 1920 and reconstructed in 1990, 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 71 ft (21.6 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesMiddle Fork RD
CrossesMid Fk Charition R
LocationS 20 T 54 N R 16 W
RouteCounty Highway 476
CountyChariton County
StateMissouri
Coordinates39.45927, -92.72942
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length71 ft (21.6 m)
Longest span70 ft (21.3 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.8 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 closed8.1 mi (13 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 Middle Fork RD over Mid Fk Charition R built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1990.

What condition is Middle Fork RD over Mid Fk Charition R 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 Middle Fork RD over Mid Fk Charition R carry?

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

How long is Middle Fork RD over Mid Fk Charition R?

The structure is 71 ft (21.6 m) long with a longest span of 70 ft (21.3 m) and a deck 22 ft wide.

Who owns Middle Fork RD over Mid Fk Charition R?

It is owned by the County Highway Agency.