US Bridges

Sth 100/RYAN RD over IH 41/94

Good

Milwaukee County, Wisconsin · 0.7 MI S JCT Sth 241 · Structure no. B40080900000000

Built
2018
7 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
177 ft
2 main spans
Daily traffic
32,300
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 100/RYAN RD over IH 41/94 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 100/RYAN RD over IH 41/94 in Milwaukee County, Wisconsin. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 32,300 vehicles a day, projected to reach 33,380 by 2042. The structure is 177 ft (54.1 m) long and 158 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSth 100/RYAN RD
CrossesIH 41/94
Location0.7 MI S JCT Sth 241
RouteState Highway 100
Coordinates42.87234, -87.93767
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length177 ft (54.1 m)
Longest span87 ft (26.4 m)
Deck width158 ft (48.2 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,300 (2022)
Projected traffic33,380 by 2042
Trucks0%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Sth 100/RYAN RD over IH 41/94 built?

It was built in 2018, making it 7 years old in 2025.

What condition is Sth 100/RYAN RD over IH 41/94 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 2023.

How much traffic does Sth 100/RYAN RD over IH 41/94 carry?

About 32,300 vehicles per day (2022 count).

How long is Sth 100/RYAN RD over IH 41/94?

The structure is 177 ft (54.1 m) long with a longest span of 87 ft (26.4 m) and a deck 158 ft wide.

Who owns Sth 100/RYAN RD over IH 41/94?

It is owned by the State Highway Agency.