US Bridges

Cth F over Steiner Branch

PoorPosted for load

Lafayette County, Wisconsin · 2.0M N JCT Cth G to E · Structure no. B33008500000000

Built
1936
89 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
2 main spans
Daily traffic
505
2022 count
Owner
County
County Highway Agency

About this bridge

Cth F over Steiner Branch is a steel stringer/multi-beam or girder carrying Cth F over Steiner Branch in Lafayette County, Wisconsin. It was built in 1936, so it is 89 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 505 vehicles a day, projected to reach 555 by 2043. The structure is 55 ft (16.9 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCth F
CrossesSteiner Branch
Location2.0M N JCT Cth G to E
RouteCounty Highway 0F
Coordinates42.77526, -89.99817
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length55 ft (16.9 m)
Longest span28 ft (8.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic505 (2022)
Projected traffic555 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$304,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth F over Steiner Branch built?

It was built in 1936, making it 89 years old in 2025.

What condition is Cth F over Steiner Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Cth F over Steiner Branch carry?

About 505 vehicles per day (2022 count).

How long is Cth F over Steiner Branch?

The structure is 55 ft (16.9 m) long with a longest span of 28 ft (8.4 m) and a deck 27 ft wide.

Who owns Cth F over Steiner Branch?

It is owned by the County Highway Agency.