NE 20th Ave over Owl Br Muddy CR
PoorGrundy County, Missouri · S 13 T 62 N R 24 W · Structure no. 16759
- Built
- 1993
- 32 years old
- Condition
- Poor
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 55 ft
- 1 main span
- Daily traffic
- 10
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
NE 20th Ave over Owl Br Muddy CR is a steel stringer/multi-beam or girder carrying NE 20th Ave over Owl Br Muddy CR in Grundy County, Missouri. It was built in 1993, so it is 32 years old, younger 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 3 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2044. The structure is 55 ft (16.8 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NE 20th Ave over Owl Br Muddy CR built?
It was built in 1993, making it 32 years old in 2025.
What condition is NE 20th Ave over Owl Br Muddy 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 February 2025.
How much traffic does NE 20th Ave over Owl Br Muddy CR carry?
About 10 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is NE 20th Ave over Owl Br Muddy CR?
The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 21 ft wide.
Who owns NE 20th Ave over Owl Br Muddy CR?
It is owned by the County Highway Agency.