US Bridges

Lrd Nenno RD over Br E Br Rock River

PoorPosted for load

Washington County, Wisconsin · 1.2M S JCT Cth D · Structure no. P66005300000000

Built
1925
100 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
58
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Nenno RD over Br E Br Rock River is a steel stringer/multi-beam or girder carrying Lrd Nenno RD over Br E Br Rock River in Washington County, Wisconsin. It was built in 1925, so it is 100 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. Its operating status is: posted for load restriction.

It carries about 58 vehicles a day, projected to reach 63 by 2043. The structure is 38 ft (11.6 m) long and 16 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd Nenno RD
CrossesBr E Br Rock River
Location1.2M S JCT Cth D
RouteCity Street 0
Coordinates43.46289, -88.38982
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating21.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span35 ft (10.8 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2024)
Projected traffic63 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$185,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Nenno RD over Br E Br Rock River built?

It was built in 1925, making it 100 years old in 2025.

What condition is Lrd Nenno RD over Br E Br Rock River 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 September 2024.

How much traffic does Lrd Nenno RD over Br E Br Rock River carry?

About 58 vehicles per day (2024 count).

How long is Lrd Nenno RD over Br E Br Rock River?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.8 m) and a deck 16 ft wide.

Who owns Lrd Nenno RD over Br E Br Rock River?

It is owned by the Town or Township Highway Agency.