Walnut ST over Mississinewa River
PoorDelaware County, Indiana · 00.10 N of CR 1050 N · Structure no. 1800016
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 329 ft
- 4 main spans
- Daily traffic
- 3,370
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Walnut ST over Mississinewa River is a prestressed concrete stringer/multi-beam or girder carrying Walnut ST over Mississinewa River in Delaware 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 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.
It carries about 3,370 vehicles a day, roughly 1% of them trucks, projected to reach 5,570 by 2043. The structure is 329 ft (100.4 m) long and 30 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Walnut ST over Mississinewa River built?
It was built in 1966, making it 59 years old in 2025.
What condition is Walnut ST over Mississinewa River 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 October 2024.
How much traffic does Walnut ST over Mississinewa River carry?
About 3,370 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Walnut ST over Mississinewa River?
The structure is 329 ft (100.4 m) long with a longest span of 82 ft (24.9 m) and a deck 30 ft wide.
Who owns Walnut ST over Mississinewa River?
It is owned by the County Highway Agency.