I 80 WB over Mahogany Road
FairPottawattamie County, Iowa · 1.3 Mi. E of SR G-30 · Structure no. 000000000045340
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 159 ft
- 3 main spans
- Daily traffic
- 11,850
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 80 WB over Mahogany Road is a prestressed concrete stringer/multi-beam or girder carrying I 80 WB over Mahogany Road in Pottawattamie County, Iowa. It was built in 1968, so it is 57 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 6 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 11,850 vehicles a day, roughly 36% of them trucks, projected to reach 11,850 by 2042. The structure is 159 ft (48.5 m) long and 42 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 80 WB over Mahogany Road built?
It was built in 1968, making it 57 years old in 2025.
What condition is I 80 WB over Mahogany Road 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 May 2023.
How much traffic does I 80 WB over Mahogany Road carry?
About 11,850 vehicles per day (2022 count), of which roughly 36% are trucks.
How long is I 80 WB over Mahogany Road?
The structure is 159 ft (48.5 m) long with a longest span of 52 ft (15.9 m) and a deck 42 ft wide.
Who owns I 80 WB over Mahogany Road?
It is owned by the State Highway Agency.