US Bridges

Lrd Nelson RD over Sugar River

PoorPosted for load

Rock County, Wisconsin · 2.6M S JCT Sth 81 · Structure no. B53002300000000

Built
1958
67 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
271 ft
4 main spans
Daily traffic
119
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Nelson RD over Sugar River is a steel continuous stringer/multi-beam or girder carrying Lrd Nelson RD over Sugar River in Rock County, Wisconsin. It was built in 1958, so it is 67 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 other load-capacity restriction.

It carries about 119 vehicles a day, projected to reach 128 by 2043. The structure is 271 ft (82.5 m) long and 27 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesLrd Nelson RD
CrossesSugar River
Location2.6M S JCT Sth 81
RouteCity Street 0
Coordinates42.52028, -89.30697
Functional classRural Minor Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.4 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length271 ft (82.5 m)
Longest span74 ft (22.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic119 (2024)
Projected traffic128 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Nelson RD over Sugar River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Lrd Nelson RD over Sugar 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 July 2024.

How much traffic does Lrd Nelson RD over Sugar River carry?

About 119 vehicles per day (2024 count).

How long is Lrd Nelson RD over Sugar River?

The structure is 271 ft (82.5 m) long with a longest span of 74 ft (22.6 m) and a deck 27 ft wide.

Who owns Lrd Nelson RD over Sugar River?

It is owned by the Town or Township Highway Agency.