US Bridges

Forrest Ave over Sampson CR

PoorPosted for load

Daviess County, Missouri · S 27 T 61 N R 29 W · Structure no. 21896

Built
1930
95 years old
Condition
Poor
inspected December 2023
Type
Truss - Thru
Steel
Length
140 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Forrest Ave over Sampson CR is a steel truss - thru carrying Forrest Ave over Sampson CR in Daviess County, Missouri. It was built in 1930, so it is 95 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 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2044. The structure is 140 ft (42.7 m) long and 15 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesForrest Ave
CrossesSampson CR
LocationS 27 T 61 N R 29 W
RouteCounty Highway 329
Coordinates40.05557, -94.15907
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length140 ft (42.7 m)
Longest span140 ft (42.7 m)
Deck width15 ft (4.6 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic35 (2024)
Projected traffic40 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$949,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Forrest Ave over Sampson CR built?

It was built in 1930, making it 95 years old in 2025.

What condition is Forrest Ave over 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 December 2023.

How much traffic does Forrest Ave over Sampson CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Forrest Ave over Sampson CR?

The structure is 140 ft (42.7 m) long with a longest span of 140 ft (42.7 m) and a deck 15 ft wide.

Who owns Forrest Ave over Sampson CR?

It is owned by the County Highway Agency.