Hamilton Road over Dettmer Drain
FairAllen County, Indiana · 00.50 W SR 1 · Structure no. 0200187
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 36 ft
- 1 main span
- Daily traffic
- 260
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Hamilton Road over Dettmer Drain is a prestressed concrete box beam or girders - multiple carrying Hamilton Road over Dettmer Drain in Allen County, Indiana. It was built in 1970, so it is 55 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 5 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 260 vehicles a day, roughly 5% of them trucks, projected to reach 389 by 2038. The structure is 36 ft (10.9 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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. |
| 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 Hamilton Road over Dettmer Drain built?
It was built in 1970, making it 55 years old in 2025.
What condition is Hamilton Road over Dettmer Drain 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 May 2024.
How much traffic does Hamilton Road over Dettmer Drain carry?
About 260 vehicles per day (2018 count), of which roughly 5% are trucks.
How long is Hamilton Road over Dettmer Drain?
The structure is 36 ft (10.9 m) long with a longest span of 34 ft (10.3 m) and a deck 20 ft wide.
Who owns Hamilton Road over Dettmer Drain?
It is owned by the County Highway Agency.