US Bridges

Cth D over Eau Galle River

FairPosted for load

St. Croix County, Wisconsin · 0.9M S JCT Cth E · Structure no. P55091800000000

Built
1939
86 years old, rebuilt 1979
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
981
2022 count
Owner
County
County Highway Agency

About this bridge

Cth D over Eau Galle River is a steel stringer/multi-beam or girder carrying Cth D over Eau Galle River in St. Croix County, Wisconsin. It was built in 1939 and reconstructed in 1979, so it is 86 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. Its operating status is: posted for other load-capacity restriction.

It carries about 981 vehicles a day, projected to reach 1,079 by 2042. The structure is 32 ft (9.9 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCth D
CrossesEau Galle River
Location0.9M S JCT Cth E
RouteCounty Highway 0D
CountySt. Croix County
StateWisconsin
Coordinates44.99123, -92.25732
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length32 ft (9.9 m)
Longest span31 ft (9.4 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic981 (2022)
Projected traffic1,079 by 2042
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 D over Eau Galle River built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1979.

What condition is Cth D over Eau Galle 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 November 2023.

How much traffic does Cth D over Eau Galle River carry?

About 981 vehicles per day (2022 count).

How long is Cth D over Eau Galle River?

The structure is 32 ft (9.9 m) long with a longest span of 31 ft (9.4 m) and a deck 36 ft wide.

Who owns Cth D over Eau Galle River?

It is owned by the County Highway Agency.