US Bridges

Sth 16 over South Fork Lemonweir Riv

Fair

Monroe County, Wisconsin · 0.4M E JCT Cth M · Structure no. B41019000000000

Built
1993
32 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
41 ft
1 main span
Daily traffic
2,300
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 16 over South Fork Lemonweir Riv is a concrete slab carrying Sth 16 over South Fork Lemonweir Riv in Monroe County, Wisconsin. It was built in 1993, so it is 32 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,300 vehicles a day, roughly 8% of them trucks, projected to reach 2,150 by 2043. The structure is 41 ft (12.6 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSth 16
CrossesSouth Fork Lemonweir Riv
Location0.4M E JCT Cth M
RouteState Highway 16
Coordinates43.95333, -90.54379
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating75.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.6 m)
Longest span41 ft (12.5 m)
Deck width38 ft (11.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2022)
Projected traffic2,150 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 16 over South Fork Lemonweir Riv built?

It was built in 1993, making it 32 years old in 2025.

What condition is Sth 16 over South Fork Lemonweir Riv in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Sth 16 over South Fork Lemonweir Riv carry?

About 2,300 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 16 over South Fork Lemonweir Riv?

The structure is 41 ft (12.6 m) long with a longest span of 41 ft (12.5 m) and a deck 38 ft wide.

Who owns Sth 16 over South Fork Lemonweir Riv?

It is owned by the State Highway Agency.