US Bridges

Lrd Siskiwit Falls over Siskiwit River

Fair

Bayfield County, Wisconsin · 0.2M E JCT Cth C · Structure no. B04003100000000

Built
1995
30 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
89
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Siskiwit Falls over Siskiwit River is a prestressed concrete stringer/multi-beam or girder carrying Lrd Siskiwit Falls over Siskiwit River in Bayfield County, Wisconsin. It was built in 1995, so it is 30 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 89 vehicles a day, roughly 10% of them trucks, projected to reach 96 by 2043. The structure is 42 ft (12.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLrd Siskiwit Falls
CrossesSiskiwit River
Location0.2M E JCT Cth C
RouteCity Street 0
Coordinates46.85458, -91.09142
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89 (2022)
Projected traffic96 by 2043
Trucks10%
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 Siskiwit Falls over Siskiwit River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Lrd Siskiwit Falls over Siskiwit 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 August 2024.

How much traffic does Lrd Siskiwit Falls over Siskiwit River carry?

About 89 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Lrd Siskiwit Falls over Siskiwit River?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns Lrd Siskiwit Falls over Siskiwit River?

It is owned by the Town or Township Highway Agency.