W 120 Ave over Samson CR
PoorPosted for loadHarrison County, Missouri · S 17 T 63 N R 29 W · Structure no. 24296
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected February 2025
- Type
- Girder and Floorbeam System
- Steel
- Length
- 50 ft
- 1 main span
- Daily traffic
- 35
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
W 120 Ave over Samson CR is a steel girder and floorbeam system carrying W 120 Ave over Samson CR in Harrison County, Missouri. It was built in 1920, 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 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2044. The structure is 50 ft (15.2 m) long and 15 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
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.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was W 120 Ave over Samson CR built?
It was built in 1920, making it 105 years old in 2025.
What condition is W 120 Ave over Samson 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 120 Ave over Samson CR carry?
About 35 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is W 120 Ave over Samson CR?
The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 15 ft wide.
Who owns W 120 Ave over Samson CR?
It is owned by the County Highway Agency.