US Bridges

Lrd Oliphant RD over Amnicon River

Poor

Douglas County, Wisconsin · 3.7M S JCT Cth B · Structure no. P16091300000000

Built
1967
58 years old
Condition
Poor
inspected September 2024
Type
Culvert
Steel
Length
40 ft
4 main spans
Daily traffic
21
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Oliphant RD over Amnicon River is a steel culvert carrying Lrd Oliphant RD over Amnicon River in Douglas County, Wisconsin. It was built in 1967, so it is 58 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.

It carries about 21 vehicles a day, projected to reach 23 by 2043. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesLrd Oliphant RD
CrossesAmnicon River
Location3.7M S JCT Cth B
RouteCity Street 0
CountyDouglas County
StateWisconsin
Coordinates46.45806, -91.99858
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
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: 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 rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckSteel plate
Main spans4
Design loadH 15
Structure length40 ft (12.2 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2022)
Projected traffic23 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$193,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Oliphant RD over Amnicon River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Lrd Oliphant RD over Amnicon 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 September 2024.

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

About 21 vehicles per day (2022 count).

How long is Lrd Oliphant RD over Amnicon River?

The structure is 40 ft (12.2 m) long with a longest span of 7 ft (2.1 m).

Who owns Lrd Oliphant RD over Amnicon River?

It is owned by the Town or Township Highway Agency.