US Bridges

Lrd Kunz RD over Br Rock River

Fair

Jefferson County, Wisconsin · 0.1M N JCT Sth 106 · Structure no. P28091000000000

Built
1937
88 years old
Condition
Fair
inspected August 2024
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
107
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Kunz RD over Br Rock River is a steel culvert carrying Lrd Kunz RD over Br Rock River in Jefferson County, Wisconsin. It was built in 1937, so it is 88 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 5 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 107 vehicles a day, projected to reach 117 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLrd Kunz RD
CrossesBr Rock River
Location0.1M N JCT Sth 106
RouteCity Street 0
CountyJefferson County
StateWisconsin
Coordinates42.92428, -88.89522
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107 (2022)
Projected traffic117 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Kunz RD over Br Rock River built?

It was built in 1937, making it 88 years old in 2025.

What condition is Lrd Kunz RD over Br Rock River 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 Kunz RD over Br Rock River carry?

About 107 vehicles per day (2022 count).

How long is Lrd Kunz RD over Br Rock River?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m).

Who owns Lrd Kunz RD over Br Rock River?

It is owned by the Town or Township Highway Agency.