US Bridges

Sandbar Lane over Unnamed Str

PoorPosted for load

Chariton County, Missouri · S 31 T 54 N R 17 W · Structure no. 23546

Built
1945
80 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

Sandbar Lane over Unnamed Str is a steel stringer/multi-beam or girder carrying Sandbar Lane over Unnamed Str in Chariton County, Missouri. It was built in 1945, so it is 80 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 28 ft (8.5 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSandbar Lane
CrossesUnnamed Str
LocationS 31 T 54 N R 17 W
RouteCounty Highway 414
Coordinates39.43914, -92.85704
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating12.9 US tons
Inventory rating6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$272,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sandbar Lane over Unnamed Str built?

It was built in 1945, making it 80 years old in 2025.

What condition is Sandbar Lane over Unnamed Str in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Sandbar Lane over Unnamed Str carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Sandbar Lane over Unnamed Str?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 16 ft wide.

Who owns Sandbar Lane over Unnamed Str?

It is owned by the County Highway Agency.