US Bridges

Lrd Monitor RD over Baraboo River

Fair

Monroe County, Wisconsin · 0.1M S JCT Cth P · Structure no. P41021300000000

Built
1940
85 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
47
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Monitor RD over Baraboo River is a steel stringer/multi-beam or girder carrying Lrd Monitor RD over Baraboo River in Monroe County, Wisconsin. It was built in 1940, so it is 85 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 47 vehicles a day, projected to reach 51 by 2043. The structure is 26 ft (8 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLrd Monitor RD
CrossesBaraboo River
Location0.1M S JCT Cth P
RouteCity Street 0
CountyMonroe County
StateWisconsin
Coordinates43.78627, -90.34542
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (8 m)
Longest span24 ft (7.4 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2022)
Projected traffic51 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Monitor RD over Baraboo River built?

It was built in 1940, making it 85 years old in 2025.

What condition is Lrd Monitor 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 June 2024.

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

About 47 vehicles per day (2022 count).

How long is Lrd Monitor RD over Baraboo River?

The structure is 26 ft (8 m) long with a longest span of 24 ft (7.4 m) and a deck 23 ft wide.

Who owns Lrd Monitor RD over Baraboo River?

It is owned by the Town or Township Highway Agency.