US Bridges

Sth 11 over Skinner Creek

Fair

Green County, Wisconsin · 4.4M E JCT Sth 176 to N · Structure no. B23010000000000

Built
1998
27 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
136 ft
2 main spans
Daily traffic
4,700
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 11 over Skinner Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 11 over Skinner Creek in Green 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 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 4,700 vehicles a day, roughly 10% of them trucks, projected to reach 5,450 by 2043. The structure is 136 ft (41.4 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSth 11
CrossesSkinner Creek
Location4.4M E JCT Sth 176 to N
RouteState Highway 11
CountyGreen County
StateWisconsin
Coordinates42.57875, -89.80382
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length136 ft (41.4 m)
Longest span66 ft (20.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2022)
Projected traffic5,450 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 11 over Skinner Creek built?

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

What condition is Sth 11 over Skinner Creek 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 June 2024.

How much traffic does Sth 11 over Skinner Creek carry?

About 4,700 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Sth 11 over Skinner Creek?

The structure is 136 ft (41.4 m) long with a longest span of 66 ft (20.1 m) and a deck 47 ft wide.

Who owns Sth 11 over Skinner Creek?

It is owned by the State Highway Agency.