US Bridges

Lrd Indian Mound R over Black River

Good

Sheboygan County, Wisconsin · 0.4M E JCT Cth Kk · Structure no. P59013600000000

Built
1975
50 years old
Condition
Good
inspected May 2024
Type
Channel Beam
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
293
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Indian Mound R over Black River is a prestressed concrete channel beam carrying Lrd Indian Mound R over Black River in Sheboygan County, Wisconsin. It was built in 1975, so it is 50 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 293 vehicles a day, projected to reach 322 by 2043. The structure is 49 ft (15 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd Indian Mound R
CrossesBlack River
Location0.4M E JCT Cth Kk
RouteCity Street 0
Coordinates43.6908, -87.71245
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length49 ft (15 m)
Longest span47 ft (14.4 m)
Deck width38 ft (11.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic293 (2022)
Projected traffic322 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Indian Mound R over Black River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Lrd Indian Mound R over Black River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Lrd Indian Mound R over Black River carry?

About 293 vehicles per day (2022 count).

How long is Lrd Indian Mound R over Black River?

The structure is 49 ft (15 m) long with a longest span of 47 ft (14.4 m) and a deck 38 ft wide.

Who owns Lrd Indian Mound R over Black River?

It is owned by the Town or Township Highway Agency.