US Bridges

Lrd IRR (river Rd) over Bear River

PoorPosted for load

Vilas County, Wisconsin · 5.1M N JCT Sth 70 · Structure no. P63090400000000

Built
1958
67 years old
Condition
Poor
inspected August 2024
Type
Slab
Wood or Timber
Length
36 ft
2 main spans
Daily traffic
73
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd IRR (river Rd) over Bear River is a wood or timber slab carrying Lrd IRR (river Rd) over Bear River in Vilas County, Wisconsin. It was built in 1958, so it is 67 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 73 vehicles a day, projected to reach 78 by 2043. The structure is 36 ft (11.1 m) long and 26 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesLrd IRR (river Rd)
CrossesBear River
Location5.1M N JCT Sth 70
RouteCity Street 0
Coordinates45.98206, -89.93706
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length36 ft (11.1 m)
Longest span17 ft (5.3 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2024)
Projected traffic78 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$180,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd IRR (river Rd) over Bear River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Lrd IRR (river Rd) over Bear River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Lrd IRR (river Rd) over Bear River carry?

About 73 vehicles per day (2024 count).

How long is Lrd IRR (river Rd) over Bear River?

The structure is 36 ft (11.1 m) long with a longest span of 17 ft (5.3 m) and a deck 26 ft wide.

Who owns Lrd IRR (river Rd) over Bear River?

It is owned by the Town or Township Highway Agency.