US Bridges

Lrd Knowles RD over Brunet River

Fair

Sawyer County, Wisconsin · 0.2M N JCT Sth 70 · Structure no. P57005200000000

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
30
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Knowles RD over Brunet River is a steel stringer/multi-beam or girder carrying Lrd Knowles RD over Brunet River in Sawyer County, Wisconsin. It was built in 1962, so it is 63 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 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 30 vehicles a day, projected to reach 23 by 2043. The structure is 29 ft (8.8 m) long and 16 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesLrd Knowles RD
CrossesBrunet River
Location0.2M N JCT Sth 70
RouteCity Street 0
CountySawyer County
StateWisconsin
Coordinates45.88767, -90.88341
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic23 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$154,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Knowles RD over Brunet River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Lrd Knowles RD over Brunet 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 Knowles RD over Brunet River carry?

About 30 vehicles per day (2024 count).

How long is Lrd Knowles RD over Brunet River?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 16 ft wide.

Who owns Lrd Knowles RD over Brunet River?

It is owned by the Town or Township Highway Agency.