Sth 100|MAYFAIR RD over Canadian Pacific Kansas
FairMilwaukee County, Wisconsin · 0.9 MI N JCT Ush 18 · Structure no. B40045700000000
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,183 ft
- 14 main spans
- Daily traffic
- 29,200
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 100|MAYFAIR RD over Canadian Pacific Kansas is a steel continuous stringer/multi-beam or girder carrying Sth 100|MAYFAIR RD over Canadian Pacific Kansas in Milwaukee County, Wisconsin. It was built in 1972, so it is 53 years old, older than the Wisconsin average of 40.3 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 29,200 vehicles a day, roughly 3% of them trucks, projected to reach 45,650 by 2043. The structure is 1,183 ft (360.6 m) long and 93 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 100|MAYFAIR RD over Canadian Pacific Kansas built?
It was built in 1972, making it 53 years old in 2025.
What condition is Sth 100|MAYFAIR RD over Canadian Pacific Kansas 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 June 2024.
How much traffic does Sth 100|MAYFAIR RD over Canadian Pacific Kansas carry?
About 29,200 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Sth 100|MAYFAIR RD over Canadian Pacific Kansas?
The structure is 1,183 ft (360.6 m) long with a longest span of 100 ft (30.5 m) and a deck 93 ft wide.
Who owns Sth 100|MAYFAIR RD over Canadian Pacific Kansas?
It is owned by the State Highway Agency.