US Bridges

Sth 181-N 76th ST over Lrd W Silver Spring Driv

Good

Milwaukee County, Wisconsin · 0.3 MI N JCT Sth 145 · Structure no. B40076600000000

Built
2017
8 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
2 main spans
Daily traffic
28,900
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 181-N 76th ST over Lrd W Silver Spring Driv is a steel stringer/multi-beam or girder carrying Sth 181-N 76th ST over Lrd W Silver Spring Driv in Milwaukee County, Wisconsin. It was built in 2017, so it is 8 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 28,900 vehicles a day, projected to reach 39,100 by 2038. The structure is 120 ft (36.7 m) long and 110 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSth 181-N 76th ST
CrossesLrd W Silver Spring Driv
Location0.3 MI N JCT Sth 145
RouteState Highway 181
Coordinates43.11971, -88.0058
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2021
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 rating52.9 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length120 ft (36.7 m)
Longest span58 ft (17.7 m)
Deck width110 ft (33.5 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,900 (2022)
Projected traffic39,100 by 2038
Trucks0%
Lanes on structure6
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 181-N 76th ST over Lrd W Silver Spring Driv built?

It was built in 2017, making it 8 years old in 2025.

What condition is Sth 181-N 76th ST over Lrd W Silver Spring Driv 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 2021.

How much traffic does Sth 181-N 76th ST over Lrd W Silver Spring Driv carry?

About 28,900 vehicles per day (2022 count).

How long is Sth 181-N 76th ST over Lrd W Silver Spring Driv?

The structure is 120 ft (36.7 m) long with a longest span of 58 ft (17.7 m) and a deck 110 ft wide.

Who owns Sth 181-N 76th ST over Lrd W Silver Spring Driv?

It is owned by the State Highway Agency.