US Bridges

Lrd Zimmerman RD over Silver Creek

Poor

Taylor County, Wisconsin · 0.7M N JCT Cth D · Structure no. P60006600000000

Built
1975
50 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Zimmerman RD over Silver Creek is a steel stringer/multi-beam or girder carrying Lrd Zimmerman RD over Silver Creek in Taylor County, Wisconsin. It was built in 1975, so it is 50 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 50 vehicles a day, projected to reach 51 by 2043. The structure is 52 ft (15.7 m) long and 25 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLrd Zimmerman RD
CrossesSilver Creek
Location0.7M N JCT Cth D
RouteCity Street 0
Coordinates45.36306, -90.35136
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.4 US tons
Inventory rating19.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length52 ft (15.7 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$233,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Zimmerman RD over Silver Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Lrd Zimmerman RD over Silver Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Lrd Zimmerman RD over Silver Creek carry?

About 50 vehicles per day (2024 count).

How long is Lrd Zimmerman RD over Silver Creek?

The structure is 52 ft (15.7 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns Lrd Zimmerman RD over Silver Creek?

It is owned by the Town or Township Highway Agency.