US Bridges

Lrd Coon Rock RD over Mill Creek

Good

Iowa County, Wisconsin · 1.1M S JCT Ush 14 · Structure no. B25006300000000

Built
1988
37 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
39 ft
1 main span
Daily traffic
208
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Coon Rock RD over Mill Creek is a concrete slab carrying Lrd Coon Rock RD over Mill Creek in Iowa County, Wisconsin. It was built in 1988, so it is 37 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 208 vehicles a day, projected to reach 228 by 2043. The structure is 39 ft (11.9 m) long and 26 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesLrd Coon Rock RD
CrossesMill Creek
Location1.1M S JCT Ush 14
RouteCity Street 0
Coordinates43.14769, -89.98967
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic208 (2022)
Projected traffic228 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 Coon Rock RD over Mill Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Lrd Coon Rock RD over Mill 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 March 2024.

How much traffic does Lrd Coon Rock RD over Mill Creek carry?

About 208 vehicles per day (2022 count).

How long is Lrd Coon Rock RD over Mill Creek?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 26 ft wide.

Who owns Lrd Coon Rock RD over Mill Creek?

It is owned by the Town or Township Highway Agency.