US Bridges

Lrd N 45th ST (dea over Menomonee River

Good

Milwaukee County, Wisconsin · 0.7M W JCT Ush 18 · Structure no. P40060100000000

Built
1952
73 years old, rebuilt 2014
Condition
Good
inspected October 2023
Type
Girder and Floorbeam System
Steel
Length
76 ft
1 main span
Daily traffic
307
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd N 45th ST (dea over Menomonee River is a steel girder and floorbeam system carrying Lrd N 45th ST (dea over Menomonee River in Milwaukee County, Wisconsin. It was built in 1952 and reconstructed in 2014, so it is 73 years old, older 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 307 vehicles a day, projected to reach 276 by 2042. The structure is 76 ft (23.1 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesLrd N 45th ST (dea
CrossesMenomonee River
Location0.7M W JCT Ush 18
RouteCity Street 0
CountyMilwaukee County
StateWisconsin
Coordinates43.04219, -87.97035
Functional classUrban Local

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating53.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length76 ft (23.1 m)
Longest span70 ft (21.2 m)
Deck width24 ft (7.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic307 (2023)
Projected traffic276 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd N 45th ST (dea over Menomonee River built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2014.

What condition is Lrd N 45th ST (dea over Menomonee River 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 2023.

How much traffic does Lrd N 45th ST (dea over Menomonee River carry?

About 307 vehicles per day (2023 count).

How long is Lrd N 45th ST (dea over Menomonee River?

The structure is 76 ft (23.1 m) long with a longest span of 70 ft (21.2 m) and a deck 24 ft wide.

Who owns Lrd N 45th ST (dea over Menomonee River?

It is owned by the City or Municipal Highway Agency.