West 18A Road over Zechiel Arm
FairMarshall County, Indiana · 00.30 E of S. Underwood R · Structure no. 5000078
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Wood or Timber
- Length
- 26 ft
- 1 main span
- Daily traffic
- 100
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
West 18A Road over Zechiel Arm is a wood or timber slab carrying West 18A Road over Zechiel Arm in Marshall County, Indiana. It was built in 1985, so it is 40 years old, younger 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2044. The structure is 26 ft (7.9 m) long and 26 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was West 18A Road over Zechiel Arm built?
It was built in 1985, making it 40 years old in 2025.
What condition is West 18A Road over Zechiel Arm 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 October 2024.
How much traffic does West 18A Road over Zechiel Arm carry?
About 100 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is West 18A Road over Zechiel Arm?
The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.
Who owns West 18A Road over Zechiel Arm?
It is owned by the County Highway Agency.