US Bridges

Lrd Mariposa Ave over Little LA Crosse River

Fair

Monroe County, Wisconsin · 0.1M E JCT Sth 27 · Structure no. P41022800000000

Built
1917
108 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
29
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Mariposa Ave over Little LA Crosse River is a concrete slab carrying Lrd Mariposa Ave over Little LA Crosse River in Monroe County, Wisconsin. It was built in 1917, so it is 108 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 29 vehicles a day, projected to reach 31 by 2043. The structure is 28 ft (8.5 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLrd Mariposa Ave
CrossesLittle LA Crosse River
Location0.1M E JCT Sth 27
RouteCity Street 0
Coordinates43.78333, -90.7985
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.6 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic31 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Mariposa Ave over Little LA Crosse River built?

It was built in 1917, making it 108 years old in 2025.

What condition is Lrd Mariposa Ave over Little LA Crosse 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 Mariposa Ave over Little LA Crosse River carry?

About 29 vehicles per day (2022 count).

How long is Lrd Mariposa Ave over Little LA Crosse River?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 18 ft wide.

Who owns Lrd Mariposa Ave over Little LA Crosse River?

It is owned by the Town or Township Highway Agency.