US Bridges

Lrd Tritz RD over Baraboo River

Fair

Columbia County, Wisconsin · 1.0M N JCT Sth 33 · Structure no. B11009000000000

Built
1986
39 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
26
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Tritz RD over Baraboo River is a prestressed concrete stringer/multi-beam or girder carrying Lrd Tritz RD over Baraboo River in Columbia County, Wisconsin. It was built in 1986, so it is 39 years old, younger 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 26 vehicles a day, projected to reach 28 by 2043. The structure is 107 ft (32.6 m) long and 26 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesLrd Tritz RD
CrossesBaraboo River
Location1.0M N JCT Sth 33
RouteCity Street 0
CountyColumbia County
StateWisconsin
Coordinates43.52348, -89.582
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length107 ft (32.6 m)
Longest span105 ft (32 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic28 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Tritz RD over Baraboo River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Lrd Tritz 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 July 2024.

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

About 26 vehicles per day (2022 count).

How long is Lrd Tritz RD over Baraboo River?

The structure is 107 ft (32.6 m) long with a longest span of 105 ft (32 m) and a deck 26 ft wide.

Who owns Lrd Tritz RD over Baraboo River?

It is owned by the Town or Township Highway Agency.