Old Ia 138 over Walnut Creek
PoorAppanoose County, Iowa · 069181601 · Structure no. 000000000013991
- Built
- 1973
- 52 years old
- Condition
- Poor
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 276 ft
- 3 main spans
- Daily traffic
- 1,060
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Old Ia 138 over Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying Old Ia 138 over Walnut Creek in Appanoose County, Iowa. It was built in 1973, so it is 52 years old, older than the Iowa average of 45.5 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 1,060 vehicles a day, roughly 6% of them trucks, projected to reach 1,060 by 2043. The structure is 276 ft (84.1 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Old Ia 138 over Walnut Creek built?
It was built in 1973, making it 52 years old in 2025.
What condition is Old Ia 138 over Walnut Creek 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 2022.
How much traffic does Old Ia 138 over Walnut Creek carry?
About 1,060 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Old Ia 138 over Walnut Creek?
The structure is 276 ft (84.1 m) long with a longest span of 92 ft (28 m) and a deck 47 ft wide.
Who owns Old Ia 138 over Walnut Creek?
It is owned by the County Highway Agency.