I-80 WB & I-35 SB over NW 72nd ST
FairPolk County, Iowa · 1.0 Mile West JCT Ia 28 · Structure no. 000000000041430
- Built
- 1958
- 67 years old, rebuilt 1991
- Condition
- Fair
- inspected September 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 125 ft
- 3 main spans
- Daily traffic
- 47,050
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-80 WB & I-35 SB over NW 72nd ST is a prestressed concrete stringer/multi-beam or girder carrying I-80 WB & I-35 SB over NW 72nd ST in Polk County, Iowa. It was built in 1958 and reconstructed in 1991, so it is 67 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 47,050 vehicles a day, roughly 20% of them trucks, projected to reach 47,050 by 2042. The structure is 125 ft (38.1 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-80 WB & I-35 SB over NW 72nd ST built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1991.
What condition is I-80 WB & I-35 SB over NW 72nd ST 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 September 2022.
How much traffic does I-80 WB & I-35 SB over NW 72nd ST carry?
About 47,050 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is I-80 WB & I-35 SB over NW 72nd ST?
The structure is 125 ft (38.1 m) long with a longest span of 44 ft (13.4 m) and a deck 67 ft wide.
Who owns I-80 WB & I-35 SB over NW 72nd ST?
It is owned by the State Highway Agency.