US Bridges

Sth 73 over Crazy Horse Creek

Poor

Rusk County, Wisconsin · 4.0M N JCT Sth 194 · Structure no. B54074400000000

Built
1989
36 years old
Condition
Poor
inspected March 2024
Type
Culvert
Steel
Length
36 ft
3 main spans
Daily traffic
460
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 73 over Crazy Horse Creek is a steel culvert carrying Sth 73 over Crazy Horse Creek in Rusk County, Wisconsin. It was built in 1989, so it is 36 years old, younger 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.

It carries about 460 vehicles a day, projected to reach 340 by 2043. The structure is 36 ft (11.1 m) long. If it were closed, the detour would be 53.4 mi (86 km).

Location

Open in Google Maps
CarriesSth 73
CrossesCrazy Horse Creek
Location4.0M N JCT Sth 194
RouteState Highway 73
CountyRusk County
StateWisconsin
Coordinates45.40904, -90.82317
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: 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 rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckSteel plate
Main spans3
Design loadHS 20
Structure length36 ft (11.1 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2023)
Projected traffic340 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed53.4 mi (86 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$222,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 73 over Crazy Horse Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Sth 73 over Crazy Horse Creek 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 March 2024.

How much traffic does Sth 73 over Crazy Horse Creek carry?

About 460 vehicles per day (2023 count).

How long is Sth 73 over Crazy Horse Creek?

The structure is 36 ft (11.1 m) long with a longest span of 10 ft (2.9 m).

Who owns Sth 73 over Crazy Horse Creek?

It is owned by the State Highway Agency.