Thompson RD over State Ditch
FairMarion County, Indiana · 00.58 E of Mann RD · Structure no. 4900373
- Built
- 1916
- 109 years old, rebuilt 1987
- Condition
- Fair
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 48 ft
- 1 main span
- Daily traffic
- 233
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Thompson RD over State Ditch is a prestressed concrete box beam or girders - multiple carrying Thompson RD over State Ditch in Marion County, Indiana. It was built in 1916 and reconstructed in 1987, so it is 109 years old, older than the Indiana average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 233 vehicles a day, roughly 5% of them trucks, projected to reach 346 by 2039. The structure is 48 ft (14.6 m) long and 19 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| 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 Thompson RD over State Ditch built?
It was built in 1916, making it 109 years old in 2025. It was reconstructed in 1987.
What condition is Thompson RD over State Ditch in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does Thompson RD over State Ditch carry?
About 233 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Thompson RD over State Ditch?
The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 19 ft wide.
Who owns Thompson RD over State Ditch?
It is owned by the City or Municipal Highway Agency.