US Bridges

Cth E over Mill Creek

Fair

Richland County, Wisconsin · 2.8M E JCT Cth G · Structure no. B52006100000000

Built
1979
46 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
72 ft
2 main spans
Daily traffic
327
2022 count
Owner
County
County Highway Agency

About this bridge

Cth E over Mill Creek is a concrete slab carrying Cth E over Mill Creek in Richland County, Wisconsin. It was built in 1979, so it is 46 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 327 vehicles a day, projected to reach 359 by 2043. The structure is 72 ft (21.9 m) long and 30 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesCth E
CrossesMill Creek
Location2.8M E JCT Cth G
RouteCounty Highway 0E
CountyRichland County
StateWisconsin
Coordinates43.42667, -90.56361
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.4 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length72 ft (21.9 m)
Longest span35 ft (10.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic327 (2022)
Projected traffic359 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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 E over Mill Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Cth E over Mill 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 April 2024.

How much traffic does Cth E over Mill Creek carry?

About 327 vehicles per day (2022 count).

How long is Cth E over Mill Creek?

The structure is 72 ft (21.9 m) long with a longest span of 35 ft (10.7 m) and a deck 30 ft wide.

Who owns Cth E over Mill Creek?

It is owned by the County Highway Agency.