US Bridges

Cth B SB over IH 94

Fair

Dunn County, Wisconsin · 3.8M S JCT Cth Bb to W · Structure no. B17014500000000

Built
1994
31 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
209 ft
2 main spans
Daily traffic
3,150
2023 count
Owner
State
State Highway Agency

About this bridge

Cth B SB over IH 94 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth B SB over IH 94 in Dunn County, Wisconsin. It was built in 1994, so it is 31 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 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 3,150 vehicles a day, projected to reach 3,060 by 2043. The structure is 209 ft (63.8 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesCth B SB
CrossesIH 94
Location3.8M S JCT Cth Bb to W
RouteCounty Highway 0B
CountyDunn County
StateWisconsin
Coordinates44.90542, -91.85473
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length209 ft (63.8 m)
Longest span102 ft (31.1 m)
Deck width49 ft (14.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,150 (2023)
Projected traffic3,060 by 2043
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 B SB over IH 94 built?

It was built in 1994, making it 31 years old in 2025.

What condition is Cth B SB over 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 July 2024.

How much traffic does Cth B SB over IH 94 carry?

About 3,150 vehicles per day (2023 count).

How long is Cth B SB over IH 94?

The structure is 209 ft (63.8 m) long with a longest span of 102 ft (31.1 m) and a deck 49 ft wide.

Who owns Cth B SB over IH 94?

It is owned by the State Highway Agency.