US Bridges

Lrd Watertown Plan over Underwood Creek / Cmstpp

Fair

Milwaukee County, Wisconsin · 0.1 MI W JCT Sth 100 · Structure no. B40047100000000

Built
1972
53 years old, rebuilt 2017
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
492 ft
5 main spans
Daily traffic
5,550
2022 count
Owner
State
State Highway Agency

About this bridge

Lrd Watertown Plan over Underwood Creek / Cmstpp is a steel continuous stringer/multi-beam or girder carrying Lrd Watertown Plan over Underwood Creek / Cmstpp in Milwaukee County, Wisconsin. It was built in 1972 and reconstructed in 2017, so it is 53 years old, older 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 5,550 vehicles a day, roughly 3% of them trucks, projected to reach 20,000 by 2043. The structure is 492 ft (150 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd Watertown Plan
CrossesUnderwood Creek / Cmstpp
Location0.1 MI W JCT Sth 100
RouteCity Street 0
Coordinates43.04582, -88.04939
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length492 ft (150 m)
Longest span129 ft (39.3 m)
Deck width37 ft (11.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic5,550 (2022)
Projected traffic20,000 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Watertown Plan over Underwood Creek / Cmstpp built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2017.

What condition is Lrd Watertown Plan over Underwood Creek / Cmstpp 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 Watertown Plan over Underwood Creek / Cmstpp carry?

About 5,550 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Lrd Watertown Plan over Underwood Creek / Cmstpp?

The structure is 492 ft (150 m) long with a longest span of 129 ft (39.3 m) and a deck 37 ft wide.

Who owns Lrd Watertown Plan over Underwood Creek / Cmstpp?

It is owned by the State Highway Agency.