I-35 SB over Mahaffie ST
GoodJohnson County, Kansas · 075 MI NE K-7 · Structure no. 999903500464421
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 100 ft
- 1 main span
- Daily traffic
- 56,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-35 SB over Mahaffie ST is a prestressed concrete stringer/multi-beam or girder carrying I-35 SB over Mahaffie ST in Johnson County, Kansas. It was built in 2021, so it is 4 years old, younger than the Kansas average of 52.8 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 56,000 vehicles a day, roughly 20% of them trucks, projected to reach 68,331 by 2044. The structure is 100 ft (30.6 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| 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-35 SB over Mahaffie ST built?
It was built in 2021, making it 4 years old in 2025.
What condition is I-35 SB over Mahaffie ST 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 2024.
How much traffic does I-35 SB over Mahaffie ST carry?
About 56,000 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is I-35 SB over Mahaffie ST?
The structure is 100 ft (30.6 m) long with a longest span of 98 ft (29.9 m) and a deck 70 ft wide.
Who owns I-35 SB over Mahaffie ST?
It is owned by the State Highway Agency.