US Bridges

Lrd Prairie Grove over Williams Creek

Good

Iowa County, Wisconsin · 1.6M W JCT Cth F · Structure no. P25094200000000

Built
1981
44 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
105
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Prairie Grove over Williams Creek is a concrete slab carrying Lrd Prairie Grove over Williams Creek in Iowa County, Wisconsin. It was built in 1981, so it is 44 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 105 vehicles a day, projected to reach 115 by 2043. The structure is 27 ft (8.2 m) long and 33 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesLrd Prairie Grove
CrossesWilliams Creek
Location1.6M W JCT Cth F
RouteCity Street 0
Coordinates42.97119, -89.86458
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span25 ft (7.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2022)
Projected traffic115 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 Prairie Grove over Williams Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Lrd Prairie Grove over Williams 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 July 2024.

How much traffic does Lrd Prairie Grove over Williams Creek carry?

About 105 vehicles per day (2022 count).

How long is Lrd Prairie Grove over Williams Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.7 m) and a deck 33 ft wide.

Who owns Lrd Prairie Grove over Williams Creek?

It is owned by the Town or Township Highway Agency.