US Bridges

Lrd Kohlmeyer RD over Baraboo River

Fair

Sauk County, Wisconsin · 0.3M S JCT Sth 136 · Structure no. P56013500000000

Built
1955
70 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
147 ft
2 main spans
Daily traffic
122
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Kohlmeyer RD over Baraboo River is a steel continuous stringer/multi-beam or girder carrying Lrd Kohlmeyer RD over Baraboo River in Sauk County, Wisconsin. It was built in 1955, so it is 70 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 122 vehicles a day, projected to reach 134 by 2043. The structure is 147 ft (44.7 m) long and 22 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesLrd Kohlmeyer RD
CrossesBaraboo River
Location0.3M S JCT Sth 136
RouteCity Street 0
CountySauk County
StateWisconsin
Coordinates43.47474, -89.83698
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.6 US tons
Inventory rating12.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length147 ft (44.7 m)
Longest span71 ft (21.6 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122 (2024)
Projected traffic134 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 Kohlmeyer RD over Baraboo River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Lrd Kohlmeyer RD over Baraboo 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 September 2024.

How much traffic does Lrd Kohlmeyer RD over Baraboo River carry?

About 122 vehicles per day (2024 count).

How long is Lrd Kohlmeyer RD over Baraboo River?

The structure is 147 ft (44.7 m) long with a longest span of 71 ft (21.6 m) and a deck 22 ft wide.

Who owns Lrd Kohlmeyer RD over Baraboo River?

It is owned by the Town or Township Highway Agency.