US Bridges

Sth 173 (copper RD over Trib E Fk Lemonweir R

Good

Monroe County, Wisconsin · 0.8M N JCT Cth G · Structure no. B41022400000000

Built
1998
27 years old
Condition
Good
inspected October 2022
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
1,800
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 173 (copper RD over Trib E Fk Lemonweir R is a concrete slab carrying Sth 173 (copper RD over Trib E Fk Lemonweir R in Monroe County, Wisconsin. It was built in 1998, so it is 27 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 1,800 vehicles a day, roughly 8% of them trucks, projected to reach 2,160 by 2041. The structure is 32 ft (9.8 m) long and 37 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesSth 173 (copper RD
CrossesTrib E Fk Lemonweir R
Location0.8M N JCT Cth G
RouteState Highway 173
Coordinates44.06216, -90.40345
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
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 rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2021)
Projected traffic2,160 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sth 173 (copper RD over Trib E Fk Lemonweir R built?

It was built in 1998, making it 27 years old in 2025.

What condition is Sth 173 (copper RD over Trib E Fk Lemonweir R 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 October 2022.

How much traffic does Sth 173 (copper RD over Trib E Fk Lemonweir R carry?

About 1,800 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Sth 173 (copper RD over Trib E Fk Lemonweir R?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9 m) and a deck 37 ft wide.

Who owns Sth 173 (copper RD over Trib E Fk Lemonweir R?

It is owned by the State Highway Agency.