US Bridges

Cth Jj over Elvers Creek

PoorPosted for load

Dane County, Wisconsin · 0.2M E JCT Cth J · Structure no. B13020100000000

Built
1961
64 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
62 ft
2 main spans
Daily traffic
105
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Jj over Elvers Creek is a steel continuous stringer/multi-beam or girder carrying Cth Jj over Elvers Creek in Dane County, Wisconsin. It was built in 1961, so it is 64 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 4 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. Its operating status is: posted for load restriction.

It carries about 105 vehicles a day, projected to reach 115 by 2043. The structure is 62 ft (18.9 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCth Jj
CrossesElvers Creek
Location0.2M E JCT Cth J
RouteCounty Highway 0JJ
Coordinates43.07039, -89.79508
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length62 ft (18.9 m)
Longest span30 ft (9.2 m)
Deck width31 ft (9.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2022)
Projected traffic115 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$270,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth Jj over Elvers Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Cth Jj over Elvers Creek 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 October 2024.

How much traffic does Cth Jj over Elvers Creek carry?

About 105 vehicles per day (2022 count).

How long is Cth Jj over Elvers Creek?

The structure is 62 ft (18.9 m) long with a longest span of 30 ft (9.2 m) and a deck 31 ft wide.

Who owns Cth Jj over Elvers Creek?

It is owned by the County Highway Agency.