US Bridges

Lrd Frederick Mill over Sth 175

Good

Milwaukee County, Wisconsin · 0.4 MI N JCT Sth 59 · Structure no. B40065500000000

Built
1998
27 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
258 ft
3 main spans
Daily traffic
7,500
2022 count
Owner
State
State Highway Agency

About this bridge

Lrd Frederick Mill over Sth 175 is a steel continuous stringer/multi-beam or girder carrying Lrd Frederick Mill over Sth 175 in Milwaukee County, Wisconsin. It was built in 1998, so it is 27 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 7,500 vehicles a day, projected to reach 24,250 by 2041. The structure is 258 ft (78.6 m) long and 88 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLrd Frederick Mill
CrossesSth 175
Location0.4 MI N JCT Sth 59
RouteCity Street 0
Coordinates43.02629, -87.97031
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length258 ft (78.6 m)
Longest span98 ft (29.9 m)
Deck width88 ft (26.8 m)
Roadway width85 ft (25.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2022)
Projected traffic24,250 by 2041
Trucks0%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lrd Frederick Mill over Sth 175 built?

It was built in 1998, making it 27 years old in 2025.

What condition is Lrd Frederick Mill over Sth 175 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 October 2022.

How much traffic does Lrd Frederick Mill over Sth 175 carry?

About 7,500 vehicles per day (2022 count).

How long is Lrd Frederick Mill over Sth 175?

The structure is 258 ft (78.6 m) long with a longest span of 98 ft (29.9 m) and a deck 88 ft wide.

Who owns Lrd Frederick Mill over Sth 175?

It is owned by the State Highway Agency.