US Bridges

Sth 13/34 over Cnrr

Good

Portage County, Wisconsin · 0.2M S of USH10 · Structure no. B49015100000000

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
2,600
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 13/34 over Cnrr is a prestressed concrete stringer/multi-beam or girder carrying Sth 13/34 over Cnrr in Portage County, Wisconsin. It was built in 2011, so it is 14 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 2,600 vehicles a day, projected to reach 3,120 by 2041. The structure is 81 ft (24.7 m) long and 82 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesSth 13/34
CrossesCnrr
Location0.2M S of USH10
RouteState Highway 13
Coordinates44.59647, -89.80769
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.8 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span77 ft (23.5 m)
Deck width82 ft (25 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2021)
Projected traffic3,120 by 2041
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed18.6 mi (30 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 13/34 over Cnrr built?

It was built in 2011, making it 14 years old in 2025.

What condition is Sth 13/34 over Cnrr 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 13/34 over Cnrr carry?

About 2,600 vehicles per day (2021 count).

How long is Sth 13/34 over Cnrr?

The structure is 81 ft (24.7 m) long with a longest span of 77 ft (23.5 m) and a deck 82 ft wide.

Who owns Sth 13/34 over Cnrr?

It is owned by the State Highway Agency.