US Bridges

Cth B over Norwegian Creek

Fair

Rock County, Wisconsin · 1.8M E JCT Sth 104 · Structure no. B53012100000000

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
527
2024 count
Owner
County
County Highway Agency

About this bridge

Cth B over Norwegian Creek is a concrete continuous culvert carrying Cth B over Norwegian Creek in Rock County, Wisconsin. It was built in 1974, so it is 51 years old, older 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 527 vehicles a day, projected to reach 555 by 2043. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCth B
CrossesNorwegian Creek
Location1.8M E JCT Sth 104
RouteCounty Highway 0B
CountyRock County
StateWisconsin
Coordinates42.68667, -89.33256
Functional classRural Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating51.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic527 (2024)
Projected traffic555 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 B over Norwegian Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Cth B over Norwegian 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 July 2024.

How much traffic does Cth B over Norwegian Creek carry?

About 527 vehicles per day (2024 count).

How long is Cth B over Norwegian Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Cth B over Norwegian Creek?

It is owned by the County Highway Agency.