170th ST over Marrowbone CR
GoodDaviess County, Missouri · S 29 T 58 N R 28 W · Structure no. 30567
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 78 ft
- 1 main span
- Daily traffic
- 15
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
170th ST over Marrowbone CR is a steel stringer/multi-beam or girder carrying 170th ST over Marrowbone CR in Daviess County, Missouri. It was built in 2003, so it is 22 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 78 ft (23.8 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 170th ST over Marrowbone CR built?
It was built in 2003, making it 22 years old in 2025.
What condition is 170th ST over Marrowbone 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 January 2024.
How much traffic does 170th ST over Marrowbone CR carry?
About 15 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is 170th ST over Marrowbone CR?
The structure is 78 ft (23.8 m) long with a longest span of 75 ft (22.9 m) and a deck 27 ft wide.
Who owns 170th ST over Marrowbone CR?
It is owned by the County Highway Agency.