US Bridges

Lrd 29th Street over Union Pacific RR

Fair

Milwaukee County, Wisconsin · 1.0M STH59 · Structure no. B40071800000000

Built
2008
17 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
1,296
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd 29th Street over Union Pacific RR is a prestressed concrete tee beam carrying Lrd 29th Street over Union Pacific RR in Milwaukee County, Wisconsin. It was built in 2008, so it is 17 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 1,296 vehicles a day, roughly 22% of them trucks, projected to reach 1,623 by 2043. The structure is 70 ft (21.3 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd 29th Street
CrossesUnion Pacific RR
Location1.0M STH59
RouteCity Street 0
Coordinates42.9945, -87.95059
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating57.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span69 ft (21 m)
Deck width52 ft (15.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,296 (2023)
Projected traffic1,623 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lrd 29th Street over Union Pacific RR built?

It was built in 2008, making it 17 years old in 2025.

What condition is Lrd 29th Street over Union Pacific RR 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 August 2024.

How much traffic does Lrd 29th Street over Union Pacific RR carry?

About 1,296 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is Lrd 29th Street over Union Pacific RR?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 52 ft wide.

Who owns Lrd 29th Street over Union Pacific RR?

It is owned by the City or Municipal Highway Agency.