NE 142nd over I-35
FairPolk County, Iowa · 4.0 Miles S of JCT Ia 210 · Structure no. 000000000041870
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 217 ft
- 4 main spans
- Daily traffic
- 240
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
NE 142nd over I-35 is a prestressed concrete stringer/multi-beam or girder carrying NE 142nd over I-35 in Polk County, Iowa. It was built in 1964, so it is 61 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 240 vehicles a day, roughly 13% of them trucks, projected to reach 240 by 2044. The structure is 217 ft (66.1 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NE 142nd over I-35 built?
It was built in 1964, making it 61 years old in 2025.
What condition is NE 142nd over I-35 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does NE 142nd over I-35 carry?
About 240 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is NE 142nd over I-35?
The structure is 217 ft (66.1 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.
Who owns NE 142nd over I-35?
It is owned by the State Highway Agency.