US Bridges

W 110 Ave over Br of Sampson CR

PoorPosted for load

Harrison County, Missouri · S 30 T 63 N R 29 W · Structure no. 24735

Built
1935
90 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

W 110 Ave over Br of Sampson CR is a steel stringer/multi-beam or girder carrying W 110 Ave over Br of Sampson CR in Harrison County, Missouri. It was built in 1935, so it is 90 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 24 ft (7.3 m) long and 14 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesW 110 Ave
CrossesBr of Sampson CR
LocationS 30 T 63 N R 29 W
RouteCounty Highway 543
Coordinates40.22475, -94.21634
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating15.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$255,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W 110 Ave over Br of Sampson CR built?

It was built in 1935, making it 90 years old in 2025.

What condition is W 110 Ave over Br of Sampson CR 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 February 2025.

How much traffic does W 110 Ave over Br of Sampson CR carry?

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

How long is W 110 Ave over Br of Sampson CR?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 14 ft wide.

Who owns W 110 Ave over Br of Sampson CR?

It is owned by the County Highway Agency.