US Bridges

Sth 73-N Limit RD over Cat Creek

Fair

Wood County, Wisconsin · 2.2M N JCT Cth E · Structure no. B71000200000000

Built
1951
74 years old, rebuilt 1992
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
2,700
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 73-N Limit RD over Cat Creek is a concrete continuous culvert carrying Sth 73-N Limit RD over Cat Creek in Wood County, Wisconsin. It was built in 1951 and reconstructed in 1992, so it is 74 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 2,700 vehicles a day, roughly 9% of them trucks, projected to reach 4,080 by 2042. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 23 mi (37 km).

CarriesSth 73-N Limit RD
CrossesCat Creek
Location2.2M N JCT Cth E
RouteState Highway 73
Coordinates44.45345, -90.12921
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2021)
Projected traffic4,080 by 2042
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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-N Limit RD over Cat Creek built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1992.

What condition is Sth 73-N Limit RD over Cat 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 August 2023.

How much traffic does Sth 73-N Limit RD over Cat Creek carry?

About 2,700 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Sth 73-N Limit RD over Cat Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns Sth 73-N Limit RD over Cat Creek?

It is owned by the State Highway Agency.