Ia 14 over Linn Creek
GoodMarshall County, Iowa · In Marshalltown · Structure no. 000000000007901
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 243 ft
- 3 main spans
- Daily traffic
- 13,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 14 over Linn Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 14 over Linn Creek in Marshall County, Iowa. It was built in 1985, so it is 40 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 13,300 vehicles a day, roughly 3% of them trucks, projected to reach 13,300 by 2043. The structure is 243 ft (74.1 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 14 over Linn Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is Ia 14 over Linn Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.
How much traffic does Ia 14 over Linn Creek carry?
About 13,300 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Ia 14 over Linn Creek?
The structure is 243 ft (74.1 m) long with a longest span of 82 ft (25 m) and a deck 64 ft wide.
Who owns Ia 14 over Linn Creek?
It is owned by the State Highway Agency.