County RD 485 over Gallons CR
GoodCallaway County, Missouri · S 20 T 45 N R 9 W · Structure no. 20387
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 77 ft
- 1 main span
- Daily traffic
- 25
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 485 over Gallons CR is a prestressed concrete continuous stringer/multi-beam or girder carrying County RD 485 over Gallons CR in Callaway County, Missouri. It was built in 2000, so it is 25 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 25 vehicles a day, roughly 5% of them trucks, projected to reach 38 by 2043. The structure is 77 ft (23.5 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD 485 over Gallons CR built?
It was built in 2000, making it 25 years old in 2025.
What condition is County RD 485 over Gallons CR in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does County RD 485 over Gallons CR carry?
About 25 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is County RD 485 over Gallons CR?
The structure is 77 ft (23.5 m) long with a longest span of 74 ft (22.6 m) and a deck 27 ft wide.
Who owns County RD 485 over Gallons CR?
It is owned by the County Highway Agency.