County RD S-77 over Coates Br
GoodPolk County, Missouri · S 30 T 32 N R 23 W · Structure no. 34179
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected April 2024
- Type
- Slab
- Concrete
- Length
- 68 ft
- 2 main spans
- Daily traffic
- 20
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
County RD S-77 over Coates Br is a concrete slab carrying County RD S-77 over Coates Br in Polk County, Missouri. It was built in 2011, so it is 14 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 68 ft (20.7 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD S-77 over Coates Br built?
It was built in 2011, making it 14 years old in 2025.
What condition is County RD S-77 over Coates Br 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 April 2024.
How much traffic does County RD S-77 over Coates Br carry?
About 20 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is County RD S-77 over Coates Br?
The structure is 68 ft (20.7 m) long with a longest span of 34 ft (10.4 m) and a deck 25 ft wide.
Who owns County RD S-77 over Coates Br?
It is owned by the County Highway Agency.