I40 over Mill Creek
PoorDavidson County, Tennessee · 1.0 M SW JCT SR155&I40 · Structure no. 19I00400117
- Built
- 1963
- 62 years old, rebuilt 2008
- Condition
- Poor
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 254 ft
- 5 main spans
- Daily traffic
- 131,122
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I40 over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying I40 over Mill Creek in Davidson County, Tennessee. It was built in 1963 and reconstructed in 2008, so it is 62 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 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 131,122 vehicles a day, roughly 7% of them trucks, projected to reach 226,222 by 2042. The structure is 254 ft (77.5 m) long and 168 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I40 over Mill Creek built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2008.
What condition is I40 over Mill Creek 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 I40 over Mill Creek carry?
About 131,122 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is I40 over Mill Creek?
The structure is 254 ft (77.5 m) long with a longest span of 54 ft (16.4 m) and a deck 168 ft wide.
Who owns I40 over Mill Creek?
It is owned by the State Highway Agency.