US Bridges

Lrd 51st ST over South Branch CR

Fair

Milwaukee County, Wisconsin · 0.7 MI S. JCT Sth 100 · Structure no. B40067100000000

Built
2006
19 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
2,300
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd 51st ST over South Branch CR is a concrete slab carrying Lrd 51st ST over South Branch CR in Milwaukee County, Wisconsin. It was built in 2006, so it is 19 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,300 vehicles a day, projected to reach 2,931 by 2042. The structure is 28 ft (8.4 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd 51st ST
CrossesSouth Branch CR
Location0.7 MI S. JCT Sth 100
RouteCity Street 0
Coordinates43.16656, -87.97471
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span26 ft (8 m)
Deck width47 ft (14.2 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2022)
Projected traffic2,931 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 51st ST over South Branch CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Lrd 51st ST over South Branch CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Lrd 51st ST over South Branch CR carry?

About 2,300 vehicles per day (2022 count).

How long is Lrd 51st ST over South Branch CR?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (8 m) and a deck 47 ft wide.

Who owns Lrd 51st ST over South Branch CR?

It is owned by the City or Municipal Highway Agency.