US Bridges

Sth 73 over S Fk Main Creek

Fair

Rusk County, Wisconsin · 7.1M N JCT Sth 194 · Structure no. B54001500000000

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
700
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 73 over S Fk Main Creek is a concrete continuous slab carrying Sth 73 over S Fk Main Creek in Rusk County, Wisconsin. It was built in 1965, so it is 60 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 6 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 700 vehicles a day, roughly 24% of them trucks, projected to reach 552 by 2043. The structure is 93 ft (28.3 m) long and 33 ft wide. If it were closed, the detour would be 53.4 mi (86 km).

CarriesSth 73
CrossesS Fk Main Creek
Location7.1M N JCT Sth 194
RouteState Highway 73
Coordinates45.45366, -90.81877
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic552 by 2043
Trucks24%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 73 over S Fk Main Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Sth 73 over S Fk Main 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 June 2024.

How much traffic does Sth 73 over S Fk Main Creek carry?

About 700 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is Sth 73 over S Fk Main Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns Sth 73 over S Fk Main Creek?

It is owned by the State Highway Agency.