US Bridges

Lrd Old Potosi RD over Boice Creek

Good

Grant County, Wisconsin · 5.2M S JCT Sth 81 · Structure no. B22009500000000

Built
1987
38 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete Continuous
Length
80 ft
2 main spans
Daily traffic
104
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Old Potosi RD over Boice Creek is a concrete continuous slab carrying Lrd Old Potosi RD over Boice Creek in Grant County, Wisconsin. It was built in 1987, so it is 38 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 104 vehicles a day, projected to reach 114 by 2042. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLrd Old Potosi RD
CrossesBoice Creek
Location5.2M S JCT Sth 81
RouteCity Street 0
Coordinates42.76158, -90.721
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 inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span39 ft (11.9 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104 (2022)
Projected traffic114 by 2042
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Old Potosi RD over Boice Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Lrd Old Potosi RD over Boice Creek 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 December 2023.

How much traffic does Lrd Old Potosi RD over Boice Creek carry?

About 104 vehicles per day (2022 count).

How long is Lrd Old Potosi RD over Boice Creek?

The structure is 80 ft (24.4 m) long with a longest span of 39 ft (11.9 m) and a deck 27 ft wide.

Who owns Lrd Old Potosi RD over Boice Creek?

It is owned by the Town or Township Highway Agency.