US Bridges

Sth 11 over Pecatonica River

Good

Green County, Wisconsin · 4.0M E JCT Sth 176 to N · Structure no. B23009900000000

Built
1998
27 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
468 ft
4 main spans
Daily traffic
4,700
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 11 over Pecatonica River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 11 over Pecatonica River 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 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 4,700 vehicles a day, projected to reach 4,800 by 2042. The structure is 468 ft (142.6 m) long and 47 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSth 11
CrossesPecatonica River
Location4.0M E JCT Sth 176 to N
RouteState Highway 11
Coordinates42.57995, -89.81064
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length468 ft (142.6 m)
Longest span116 ft (35.4 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 traffic4,800 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 Pecatonica River built?

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

What condition is Sth 11 over Pecatonica River 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 2023.

How much traffic does Sth 11 over Pecatonica River carry?

About 4,700 vehicles per day (2022 count).

How long is Sth 11 over Pecatonica River?

The structure is 468 ft (142.6 m) long with a longest span of 116 ft (35.4 m) and a deck 47 ft wide.

Who owns Sth 11 over Pecatonica River?

It is owned by the State Highway Agency.