US Bridges

Sth 26 over Mill Creek

Fair

Dodge County, Wisconsin · 0.5M N JCT Cth Ci · Structure no. B14009700000000

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
2,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 26 over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 26 over Mill Creek in Dodge County, Wisconsin. It was built in 1987, so it is 38 years old, younger 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.

It carries about 2,400 vehicles a day, roughly 12% of them trucks, projected to reach 3,825 by 2042. The structure is 47 ft (14.2 m) long and 46 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesSth 26
CrossesMill Creek
Location0.5M N JCT Cth Ci
RouteState Highway 26
Coordinates43.55371, -88.70873
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.2 m)
Longest span42 ft (12.8 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2022)
Projected traffic3,825 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sth 26 over Mill Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Sth 26 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 June 2023.

How much traffic does Sth 26 over Mill Creek carry?

About 2,400 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Sth 26 over Mill Creek?

The structure is 47 ft (14.2 m) long with a longest span of 42 ft (12.8 m) and a deck 46 ft wide.

Who owns Sth 26 over Mill Creek?

It is owned by the State Highway Agency.