I24 Wbl over Missionary Ridge
PoorHamilton County, Tennessee · 1 MI from SR17 · Structure no. 33I00240050
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected October 2024
- Type
- Tee Beam
- Concrete
- Length
- 1,280 ft
- 35 main spans
- Daily traffic
- 94,104
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I24 Wbl over Missionary Ridge is a concrete tee beam carrying I24 Wbl over Missionary Ridge in Hamilton County, Tennessee. It was built in 1964, so it is 61 years old, older than the Tennessee average of 47.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 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: open, would be posted or closed except for temporary shoring.
It carries about 94,104 vehicles a day, roughly 7% of them trucks, projected to reach 150,566 by 2042. The structure is 1,280 ft (390.1 m) long and 52 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 | 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 | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I24 Wbl over Missionary Ridge built?
It was built in 1964, making it 61 years old in 2025.
What condition is I24 Wbl over Missionary Ridge 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 October 2024.
How much traffic does I24 Wbl over Missionary Ridge carry?
About 94,104 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is I24 Wbl over Missionary Ridge?
The structure is 1,280 ft (390.1 m) long with a longest span of 40 ft (12.2 m) and a deck 52 ft wide.
Who owns I24 Wbl over Missionary Ridge?
It is owned by the State Highway Agency.