Old "tt" RD over Trib of Isle Duboi
PoorSte. Genevieve County, Missouri · S 19 T 39 N R 6 E · Structure no. 17049
- Built
- 1924
- 101 years old
- Condition
- Poor
- inspected February 2024
- Type
- Tee Beam
- Concrete
- Length
- 112 ft
- 3 main spans
- Daily traffic
- 15
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Old "tt" RD over Trib of Isle Duboi is a concrete tee beam carrying Old "tt" RD over Trib of Isle Duboi in Ste. Genevieve County, Missouri. It was built in 1924, so it is 101 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2044. The structure is 112 ft (34.1 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old "tt" RD over Trib of Isle Duboi built?
It was built in 1924, making it 101 years old in 2025.
What condition is Old "tt" RD over Trib of Isle Duboi 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 2024.
How much traffic does Old "tt" RD over Trib of Isle Duboi carry?
About 15 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Old "tt" RD over Trib of Isle Duboi?
The structure is 112 ft (34.1 m) long with a longest span of 35 ft (10.7 m) and a deck 23 ft wide.
Who owns Old "tt" RD over Trib of Isle Duboi?
It is owned by the County Highway Agency.