US Bridges

Sth 16-STH 71-WISC over LA Crosse River

Fair

Monroe County, Wisconsin · 0.1M E JCT Sth 21 to E · Structure no. B41019500000000

Built
1996
29 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
214 ft
2 main spans
Daily traffic
7,000
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 16-STH 71-WISC over LA Crosse River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 16-STH 71-WISC over LA Crosse River in Monroe County, Wisconsin. It was built in 1996, so it is 29 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 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 7,000 vehicles a day, roughly 5% of them trucks, projected to reach 8,400 by 2041. The structure is 214 ft (65.2 m) long and 56 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSth 16-STH 71-WISC
CrossesLA Crosse River
Location0.1M E JCT Sth 21 to E
RouteState Highway 16
CountyMonroe County
StateWisconsin
Coordinates43.93941, -90.80892
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span105 ft (32 m)
Deck width56 ft (17.2 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2021)
Projected traffic8,400 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 16-STH 71-WISC over LA Crosse River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Sth 16-STH 71-WISC over 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 September 2024.

How much traffic does Sth 16-STH 71-WISC over LA Crosse River carry?

About 7,000 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Sth 16-STH 71-WISC over LA Crosse River?

The structure is 214 ft (65.2 m) long with a longest span of 105 ft (32 m) and a deck 56 ft wide.

Who owns Sth 16-STH 71-WISC over LA Crosse River?

It is owned by the State Highway Agency.