US Bridges

Cth J over Beaver Dam River

Fair

Dodge County, Wisconsin · 1.2M S JCT Cth Kw · Structure no. B14001700000000

Built
1954
71 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
173 ft
3 main spans
Daily traffic
738
2022 count
Owner
County
County Highway Agency

About this bridge

Cth J over Beaver Dam River is a steel continuous stringer/multi-beam or girder carrying Cth J over Beaver Dam River in Dodge County, Wisconsin. It was built in 1954, so it is 71 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 5 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 738 vehicles a day, projected to reach 811 by 2043. The structure is 173 ft (52.6 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCth J
CrossesBeaver Dam River
Location1.2M S JCT Cth Kw
RouteCounty Highway 0J
CountyDodge County
StateWisconsin
Coordinates43.30451, -88.82442
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length173 ft (52.6 m)
Longest span65 ft (19.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic738 (2022)
Projected traffic811 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 J over Beaver Dam River built?

It was built in 1954, making it 71 years old in 2025.

What condition is Cth J over Beaver Dam River 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 May 2024.

How much traffic does Cth J over Beaver Dam River carry?

About 738 vehicles per day (2022 count).

How long is Cth J over Beaver Dam River?

The structure is 173 ft (52.6 m) long with a longest span of 65 ft (19.8 m) and a deck 28 ft wide.

Who owns Cth J over Beaver Dam River?

It is owned by the County Highway Agency.