185th ST over Marrowbone CR
PoorDaviess County, Missouri · S 28 T 58 N R 28 W · Structure no. 18811
- Built
- 1920
- 105 years old, rebuilt 1985
- Condition
- Poor
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 77 ft
- 3 main spans
- Daily traffic
- 25
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
185th ST over Marrowbone CR is a steel stringer/multi-beam or girder carrying 185th ST over Marrowbone CR in Daviess County, Missouri. It was built in 1920 and reconstructed in 1985, so it is 105 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 77 ft (23.5 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 185th ST over Marrowbone CR built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1985.
What condition is 185th ST over Marrowbone CR 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 January 2024.
How much traffic does 185th ST over Marrowbone CR carry?
About 25 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is 185th ST over Marrowbone CR?
The structure is 77 ft (23.5 m) long with a longest span of 49 ft (15 m) and a deck 16 ft wide.
Who owns 185th ST over Marrowbone CR?
It is owned by the County Highway Agency.