Mounts RD over Big Rvr
PoorWashington County, Missouri · S 1 T 36 N R 3 E · Structure no. 16745
- Built
- 1968
- 57 years old, rebuilt 2010
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 23 ft
- 1 main span
- Daily traffic
- 35
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Mounts RD over Big Rvr is a steel stringer/multi-beam or girder carrying Mounts RD over Big Rvr in Washington County, Missouri. It was built in 1968 and reconstructed in 2010, so it is 57 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.
It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 42 by 2044. The structure is 23 ft (6.9 m) long and 10 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mounts RD over Big Rvr built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2010.
What condition is Mounts RD over Big Rvr 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 April 2024.
How much traffic does Mounts RD over Big Rvr carry?
About 35 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Mounts RD over Big Rvr?
The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.3 m) and a deck 10 ft wide.
Who owns Mounts RD over Big Rvr?
It is owned by the County Highway Agency.