US Bridges

Lrd School RD over Spring Brook

Good

Marathon County, Wisconsin · 1.5M S JCT Cth G · Structure no. B37013400000000

Built
1990
35 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
65
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd School RD over Spring Brook is a prestressed concrete box beam or girders - multiple carrying Lrd School RD over Spring Brook in Marathon County, Wisconsin. It was built in 1990, so it is 35 years old, younger 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 65 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2043. The structure is 34 ft (10.3 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd School RD
CrossesSpring Brook
Location1.5M S JCT Cth G
RouteCity Street 0
Coordinates45.06084, -89.24421
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating91.8 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span32 ft (9.8 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2024)
Projected traffic60 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 School RD over Spring Brook built?

It was built in 1990, making it 35 years old in 2025.

What condition is Lrd School RD over Spring Brook 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 September 2024.

How much traffic does Lrd School RD over Spring Brook carry?

About 65 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Lrd School RD over Spring Brook?

The structure is 34 ft (10.3 m) long with a longest span of 32 ft (9.8 m) and a deck 25 ft wide.

Who owns Lrd School RD over Spring Brook?

It is owned by the Town or Township Highway Agency.