US Bridges

Cth C over Big Rib River

Poor

Taylor County, Wisconsin · 3.0M N JCT Cth M · Structure no. P60003400000000

Built
1956
69 years old
Condition
Poor
inspected July 2024
Type
Culvert
Steel
Length
28 ft
2 main spans
Daily traffic
940
2022 count
Owner
County
County Highway Agency

About this bridge

Cth C over Big Rib River is a steel culvert carrying Cth C over Big Rib River in Taylor County, Wisconsin. It was built in 1956, so it is 69 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 940 vehicles a day, projected to reach 1,239 by 2043. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesCth C
CrossesBig Rib River
Location3.0M N JCT Cth M
RouteCounty Highway 0C
CountyTaylor County
StateWisconsin
Coordinates45.26522, -90.16775
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckOther
Main spans2
Design loadH 15
Structure length28 ft (8.6 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 traffic940 (2022)
Projected traffic1,239 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$209,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth C over Big Rib River built?

It was built in 1956, making it 69 years old in 2025.

What condition is Cth C over Big Rib River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Cth C over Big Rib River carry?

About 940 vehicles per day (2022 count).

How long is Cth C over Big Rib River?

The structure is 28 ft (8.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Cth C over Big Rib River?

It is owned by the County Highway Agency.