Mill DR over Sights Br
PoorLinn County, Missouri · S 21 T 58 N R 18 W · Structure no. 24515
- Built
- 1935
- 90 years old, rebuilt 1991
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 40 ft
- 2 main spans
- Daily traffic
- 15
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Mill DR over Sights Br is a steel stringer/multi-beam or girder carrying Mill DR over Sights Br in Linn County, Missouri. It was built in 1935 and reconstructed in 1991, 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.
It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 40 ft (12.2 m) long and 14 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Mill DR over Sights Br built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1991.
What condition is Mill DR over Sights Br 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 November 2024.
How much traffic does Mill DR over Sights Br carry?
About 15 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Mill DR over Sights Br?
The structure is 40 ft (12.2 m) long with a longest span of 24 ft (7.3 m) and a deck 14 ft wide.
Who owns Mill DR over Sights Br?
It is owned by the County Highway Agency.