Dunbar Ave over Henrie Ave
PoorPosted for loadClay County, Missouri · S 1 T 52 N R 30 W · Structure no. 16952
- Built
- 1907
- 118 years old, rebuilt 1980
- Condition
- Poor
- inspected December 2023
- Type
- Tee Beam
- Concrete
- Length
- 38 ft
- 1 main span
- Daily traffic
- 1,700
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Dunbar Ave over Henrie Ave is a concrete tee beam carrying Dunbar Ave over Henrie Ave in Clay County, Missouri. It was built in 1907 and reconstructed in 1980, so it is 118 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. Its operating status is: posted for load restriction.
It carries about 1,700 vehicles a day, roughly 10% of them trucks, projected to reach 2,720 by 2044. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 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 Dunbar Ave over Henrie Ave built?
It was built in 1907, making it 118 years old in 2025. It was reconstructed in 1980.
What condition is Dunbar Ave over Henrie Ave 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 December 2023.
How much traffic does Dunbar Ave over Henrie Ave carry?
About 1,700 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Dunbar Ave over Henrie Ave?
The structure is 38 ft (11.6 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.
Who owns Dunbar Ave over Henrie Ave?
It is owned by the City or Municipal Highway Agency.