US Bridges

Cth T over IH 90-IH 94

Fair

Sauk County, Wisconsin · 0.7M N JCT Cth U · Structure no. B56002800000000

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
214 ft
4 main spans
Daily traffic
920
2021 count
Owner
State
State Highway Agency

About this bridge

Cth T over IH 90-IH 94 is a prestressed concrete stringer/multi-beam or girder carrying Cth T over IH 90-IH 94 in Sauk 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 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 920 vehicles a day, projected to reach 1,104 by 2041. The structure is 214 ft (65.3 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCth T
CrossesIH 90-IH 94
Location0.7M N JCT Cth U
RouteCounty Highway 0T
CountySauk County
StateWisconsin
Coordinates43.55073, -89.68443
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length214 ft (65.3 m)
Longest span69 ft (21 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic920 (2021)
Projected traffic1,104 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth T over IH 90-IH 94 built?

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

What condition is Cth T over IH 90-IH 94 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 August 2024.

How much traffic does Cth T over IH 90-IH 94 carry?

About 920 vehicles per day (2021 count).

How long is Cth T over IH 90-IH 94?

The structure is 214 ft (65.3 m) long with a longest span of 69 ft (21 m) and a deck 29 ft wide.

Who owns Cth T over IH 90-IH 94?

It is owned by the State Highway Agency.