I40 over Porter Rd.
PoorPosted for loadFayette County, Tennessee · 2 M SW JCT I40&SR59 · Structure no. 24I00400016
- Built
- 1963
- 62 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 38,372
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I40 over Porter Rd. is a prestressed concrete stringer/multi-beam or girder carrying I40 over Porter Rd. in Fayette County, Tennessee. It was built in 1963, 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. Its operating status is: posted for load restriction.
It carries about 38,372 vehicles a day, roughly 8% of them trucks, projected to reach 61,395 by 2042. The structure is 106 ft (32.2 m) long and 45 ft wide. If it were closed, the detour would be 44.1 mi (71 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 I40 over Porter Rd. built?
It was built in 1963, making it 62 years old in 2025.
What condition is I40 over Porter Rd. 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 August 2024.
How much traffic does I40 over Porter Rd. carry?
About 38,372 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is I40 over Porter Rd.?
The structure is 106 ft (32.2 m) long with a longest span of 36 ft (10.9 m) and a deck 45 ft wide.
Who owns I40 over Porter Rd.?
It is owned by the State Highway Agency.