US Bridges

Cth Ss over Porcupine Creek

Good

Pepin County, Wisconsin · 0.1M E JCT Cth Ss to S · Structure no. B46000200000000

Built
1975
50 years old
Condition
Good
inspected April 2024
Type
Culvert
Steel
Length
31 ft
1 main span
Daily traffic
163
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Ss over Porcupine Creek is a steel culvert carrying Cth Ss over Porcupine Creek in Pepin County, Wisconsin. It was built in 1975, so it is 50 years old, older 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 163 vehicles a day, projected to reach 179 by 2043. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCth Ss
CrossesPorcupine Creek
Location0.1M E JCT Cth Ss to S
RouteCounty Highway 0SS
Coordinates44.58396, -92.09528
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length31 ft (9.3 m)
Longest span30 ft (9.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163 (2022)
Projected traffic179 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth Ss over Porcupine Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Cth Ss over Porcupine Creek 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 April 2024.

How much traffic does Cth Ss over Porcupine Creek carry?

About 163 vehicles per day (2022 count).

How long is Cth Ss over Porcupine Creek?

The structure is 31 ft (9.3 m) long with a longest span of 30 ft (9.2 m).

Who owns Cth Ss over Porcupine Creek?

It is owned by the County Highway Agency.