Local RD over I-29
GoodHarrison County, Iowa · 1.0 Mi. N of Jct. US 30 · Structure no. 000000000028140
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 227 ft
- 4 main spans
- Daily traffic
- 139
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Local RD over I-29 is a prestressed concrete stringer/multi-beam or girder carrying Local RD over I-29 in Harrison County, Iowa. It was built in 1966, so it is 59 years old, older 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 139 vehicles a day, projected to reach 139 by 2043. The structure is 227 ft (69.2 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Local RD over I-29 built?
It was built in 1966, making it 59 years old in 2025.
What condition is Local RD over I-29 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 August 2023.
How much traffic does Local RD over I-29 carry?
About 139 vehicles per day (2022 count).
How long is Local RD over I-29?
The structure is 227 ft (69.2 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.
Who owns Local RD over I-29?
It is owned by the State Highway Agency.