I129 over Lake Avenue
GoodDakota County, Nebraska · I129/US77 Interchg 1W · Structure no. S129 00008L
- Built
- 1977
- 48 years old, rebuilt 2021
- Condition
- Good
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 100 ft
- 3 main spans
- Daily traffic
- 8,090
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
I129 over Lake Avenue is a concrete continuous slab carrying I129 over Lake Avenue in Dakota County, Nebraska. It was built in 1977 and reconstructed in 2021, so it is 48 years old, older than the Nebraska average of 47.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 8,090 vehicles a day, roughly 18% of them trucks, projected to reach 8,899 by 2038. The structure is 100 ft (30.5 m) long and 50 ft wide.
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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I129 over Lake Avenue built?
It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2021.
What condition is I129 over Lake Avenue 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 September 2024.
How much traffic does I129 over Lake Avenue carry?
About 8,090 vehicles per day (2018 count), of which roughly 18% are trucks.
How long is I129 over Lake Avenue?
The structure is 100 ft (30.5 m) long with a longest span of 51 ft (15.5 m) and a deck 50 ft wide.
Who owns I129 over Lake Avenue?
It is owned by the State Highway Agency.