Sth 100 Nb-Mayfair over Menomonee River
FairMilwaukee County, Wisconsin · 3.4M N JCT Ush 18 (f) · Structure no. B40033900000000
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 211 ft
- 5 main spans
- Daily traffic
- 11,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 100 Nb-Mayfair over Menomonee River is a concrete continuous slab carrying Sth 100 Nb-Mayfair over Menomonee River in Milwaukee County, Wisconsin. It was built in 1968, so it is 57 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 5 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 11,300 vehicles a day, roughly 3% of them trucks, projected to reach 13,702 by 2042. The structure is 211 ft (64.4 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 100 Nb-Mayfair over Menomonee River built?
It was built in 1968, making it 57 years old in 2025.
What condition is Sth 100 Nb-Mayfair over Menomonee River 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 August 2023.
How much traffic does Sth 100 Nb-Mayfair over Menomonee River carry?
About 11,300 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Sth 100 Nb-Mayfair over Menomonee River?
The structure is 211 ft (64.4 m) long with a longest span of 47 ft (14.3 m) and a deck 46 ft wide.
Who owns Sth 100 Nb-Mayfair over Menomonee River?
It is owned by the State Highway Agency.