US Bridges

W 147 Ave over Br of Sampson CR

Poor

Harrison County, Missouri · S 27 T 62 N R 29 W · Structure no. 25155

Built
1991
34 years old, rebuilt 1998
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

W 147 Ave over Br of Sampson CR is a steel stringer/multi-beam or girder carrying W 147 Ave over Br of Sampson CR in Harrison County, Missouri. It was built in 1991 and reconstructed in 1998, so it is 34 years old, younger 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 4 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.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 23 by 2044. The structure is 24 ft (7.3 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesW 147 Ave
CrossesBr of Sampson CR
LocationS 27 T 62 N R 29 W
RouteCounty Highway 645
Coordinates40.14015, -94.1605
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic23 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$174,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W 147 Ave over Br of Sampson CR built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 1998.

What condition is W 147 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 2024.

How much traffic does W 147 Ave over Br of Sampson CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is W 147 Ave over Br of Sampson CR?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 18 ft wide.

Who owns W 147 Ave over Br of Sampson CR?

It is owned by the County Highway Agency.