US Bridges

Lrd Swamp Lake Roa over Tomahawk River

Fair

Oneida County, Wisconsin · 0.4M W JCT Ush 51 · Structure no. B43004200000000

Built
1990
35 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
1 main span
Daily traffic
419
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Swamp Lake Roa over Tomahawk River is a prestressed concrete stringer/multi-beam or girder carrying Lrd Swamp Lake Roa over Tomahawk River in Oneida County, Wisconsin. It was built in 1990, so it is 35 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 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 419 vehicles a day, projected to reach 427 by 2043. The structure is 122 ft (37.1 m) long and 26 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesLrd Swamp Lake Roa
CrossesTomahawk River
Location0.4M W JCT Ush 51
RouteCity Street 0
CountyOneida County
StateWisconsin
Coordinates45.645, -89.71389
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.
Superstructure9 ExcellentNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length122 ft (37.1 m)
Longest span118 ft (36 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic419 (2024)
Projected traffic427 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 Lake Roa over Tomahawk River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Lrd Swamp Lake Roa over Tomahawk 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 July 2024.

How much traffic does Lrd Swamp Lake Roa over Tomahawk River carry?

About 419 vehicles per day (2024 count).

How long is Lrd Swamp Lake Roa over Tomahawk River?

The structure is 122 ft (37.1 m) long with a longest span of 118 ft (36 m) and a deck 26 ft wide.

Who owns Lrd Swamp Lake Roa over Tomahawk River?

It is owned by the Town or Township Highway Agency.