I-90 WB over 129th Street
PoorLake County, Indiana · 01.21 W US 41 · Structure no. 045970
- Built
- 1956
- 69 years old, rebuilt 2019
- Condition
- Poor
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 211 ft
- 4 main spans
- Daily traffic
- 18,085
- 2015 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
I-90 WB over 129th Street is a steel stringer/multi-beam or girder carrying I-90 WB over 129th Street in Lake County, Indiana. It was built in 1956 and reconstructed in 2019, so it is 69 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 18,085 vehicles a day, roughly 13% of them trucks, projected to reach 40,689 by 2031. The structure is 211 ft (64.3 m) long and 65 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-90 WB over 129th Street built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2019.
What condition is I-90 WB over 129th Street 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 June 2023.
How much traffic does I-90 WB over 129th Street carry?
About 18,085 vehicles per day (2015 count), of which roughly 13% are trucks.
How long is I-90 WB over 129th Street?
The structure is 211 ft (64.3 m) long with a longest span of 66 ft (20.1 m) and a deck 65 ft wide.
Who owns I-90 WB over 129th Street?
It is owned by the State Toll Authority.