US Bridges

Sth 171 over Halls Bottom Creek

Fair

Richland County, Wisconsin · 2.6M E JCT Cth U to S · Structure no. B52006600000000

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
350
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 171 over Halls Bottom Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 171 over Halls Bottom Creek in Richland County, Wisconsin. It was built in 1981, so it is 44 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 350 vehicles a day, roughly 6% of them trucks, projected to reach 1,100 by 2042. The structure is 43 ft (13 m) long and 36 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

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CarriesSth 171
CrossesHalls Bottom Creek
Location2.6M E JCT Cth U to S
RouteState Highway 171
CountyRichland County
StateWisconsin
Coordinates43.33715, -90.61254
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13 m)
Longest span40 ft (12.2 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic1,100 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 171 over Halls Bottom Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Sth 171 over Halls Bottom 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 Sth 171 over Halls Bottom Creek carry?

About 350 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Sth 171 over Halls Bottom Creek?

The structure is 43 ft (13 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns Sth 171 over Halls Bottom Creek?

It is owned by the State Highway Agency.