US Bridges

Lrd Swamp RD over Amnicon River

Good

Douglas County, Wisconsin · 1.6M N JCT Cth V · Structure no. B16008600000000

Built
1997
28 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
69 ft
2 main spans
Daily traffic
59
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Swamp RD over Amnicon River is a concrete slab carrying Lrd Swamp RD over Amnicon River in Douglas County, Wisconsin. It was built in 1997, so it is 28 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 59 vehicles a day, projected to reach 64 by 2043. The structure is 69 ft (20.9 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLrd Swamp RD
CrossesAmnicon River
Location1.6M N JCT Cth V
RouteCity Street 0
Coordinates46.56931, -91.96286
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length69 ft (20.9 m)
Longest span33 ft (10 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2022)
Projected traffic64 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Swamp RD over Amnicon River built?

It was built in 1997, making it 28 years old in 2025.

What condition is Lrd Swamp RD over Amnicon River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Lrd Swamp RD over Amnicon River carry?

About 59 vehicles per day (2022 count).

How long is Lrd Swamp RD over Amnicon River?

The structure is 69 ft (20.9 m) long with a longest span of 33 ft (10 m) and a deck 26 ft wide.

Who owns Lrd Swamp RD over Amnicon River?

It is owned by the Town or Township Highway Agency.