Lrd Porter Road over IH39N-USH51NB
GoodPortage County, Wisconsin · 2.7 M North Cth B · Structure no. B49016700000000
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected July 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 234 ft
- 2 main spans
- Daily traffic
- 3,400
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Lrd Porter Road over IH39N-USH51NB is a prestressed concrete continuous stringer/multi-beam or girder carrying Lrd Porter Road over IH39N-USH51NB in Portage County, Wisconsin. It was built in 2009, so it is 16 years old, younger than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,400 vehicles a day, roughly 3% of them trucks, projected to reach 8,000 by 2041. The structure is 234 ft (71.3 m) long and 42 ft wide. If it were closed, the detour would be 2.5 mi (4 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lrd Porter Road over IH39N-USH51NB built?
It was built in 2009, making it 16 years old in 2025.
What condition is Lrd Porter Road over IH39N-USH51NB in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2022.
How much traffic does Lrd Porter Road over IH39N-USH51NB carry?
About 3,400 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is Lrd Porter Road over IH39N-USH51NB?
The structure is 234 ft (71.3 m) long with a longest span of 115 ft (35.1 m) and a deck 42 ft wide.
Who owns Lrd Porter Road over IH39N-USH51NB?
It is owned by the State Highway Agency.