I 29 SB over 8th ST
FairWoodbury County, Iowa · 2.0 Mi. S of Jct. US 20 · Structure no. 000000000053701
- Built
- 2015
- 10 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 167 ft
- 3 main spans
- Daily traffic
- 14,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 29 SB over 8th ST is a prestressed concrete stringer/multi-beam or girder carrying I 29 SB over 8th ST in Woodbury County, Iowa. It was built in 2015, so it is 10 years old, younger 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 14,300 vehicles a day, roughly 20% of them trucks, projected to reach 14,300 by 2044. The structure is 167 ft (50.9 m) long and 65 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 29 SB over 8th ST built?
It was built in 2015, making it 10 years old in 2025.
What condition is I 29 SB over 8th 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 January 2024.
How much traffic does I 29 SB over 8th ST carry?
About 14,300 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is I 29 SB over 8th ST?
The structure is 167 ft (50.9 m) long with a longest span of 69 ft (21 m) and a deck 65 ft wide.
Who owns I 29 SB over 8th ST?
It is owned by the State Highway Agency.