US Bridges

Lrd Perkins ST over Black River

FairPosted for load

Taylor County, Wisconsin · 0.1M S JCT Sth 64 · Structure no. P60070300000000

Built
1964
61 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
74 ft
2 main spans
Daily traffic
2,600
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Perkins ST over Black River is a concrete slab carrying Lrd Perkins ST over Black River in Taylor County, Wisconsin. It was built in 1964, so it is 61 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,600 vehicles a day, projected to reach 4,396 by 2043. The structure is 74 ft (22.6 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLrd Perkins ST
CrossesBlack River
Location0.1M S JCT Sth 64
RouteCity Street 0
Coordinates45.13464, -90.34494
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2024
Inspection intervalevery 24 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 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 rating32.4 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span36 ft (11.1 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic4,396 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Perkins ST over Black River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Lrd Perkins ST over Black 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 April 2024.

How much traffic does Lrd Perkins ST over Black River carry?

About 2,600 vehicles per day (2022 count).

How long is Lrd Perkins ST over Black River?

The structure is 74 ft (22.6 m) long with a longest span of 36 ft (11.1 m) and a deck 40 ft wide.

Who owns Lrd Perkins ST over Black River?

It is owned by the City or Municipal Highway Agency.