Tillman RD over Highland Drain 4
PoorAllen County, Indiana · 00.20 W of S Hanna ST · Structure no. 0200277
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 12,125
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Tillman RD over Highland Drain 4 is a prestressed concrete box beam or girders - multiple carrying Tillman RD over Highland Drain 4 in Allen County, Indiana. It was built in 1966, so it is 59 years old, older than the Indiana average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 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 12,125 vehicles a day, roughly 5% of them trucks, projected to reach 16,000 by 2044. The structure is 26 ft (7.9 m) long and 66 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Tillman RD over Highland Drain 4 built?
It was built in 1966, making it 59 years old in 2025.
What condition is Tillman RD over Highland Drain 4 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 May 2024.
How much traffic does Tillman RD over Highland Drain 4 carry?
About 12,125 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Tillman RD over Highland Drain 4?
The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 66 ft wide.
Who owns Tillman RD over Highland Drain 4?
It is owned by the County Highway Agency.