US Bridges

Sth 100 Nb/Ryan RD over C & NW Rail Road

Good

Milwaukee County, Wisconsin · 1.6 Mile E. JCT Sth 32 · Structure no. B40063300000000

Built
2005
20 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
146 ft
3 main spans
Daily traffic
14,200
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 100 Nb/Ryan RD over C & NW Rail Road is a steel continuous stringer/multi-beam or girder carrying Sth 100 Nb/Ryan RD over C & NW Rail Road in Milwaukee County, Wisconsin. It was built in 2005, so it is 20 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 14,200 vehicles a day, projected to reach 17,040 by 2042. The structure is 146 ft (44.5 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSth 100 Nb/Ryan RD
CrossesC & NW Rail Road
Location1.6 Mile E. JCT Sth 32
RouteState Highway 100
CountyMilwaukee County
StateWisconsin
Coordinates42.86783, -87.88837
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span56 ft (17.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,200 (2022)
Projected traffic17,040 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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 Nb/Ryan RD over C & NW Rail Road built?

It was built in 2005, making it 20 years old in 2025.

What condition is Sth 100 Nb/Ryan RD over C & NW Rail Road 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 April 2022.

How much traffic does Sth 100 Nb/Ryan RD over C & NW Rail Road carry?

About 14,200 vehicles per day (2022 count).

How long is Sth 100 Nb/Ryan RD over C & NW Rail Road?

The structure is 146 ft (44.5 m) long with a longest span of 56 ft (17.1 m) and a deck 47 ft wide.

Who owns Sth 100 Nb/Ryan RD over C & NW Rail Road?

It is owned by the State Highway Agency.