US Bridges

Cth Hk over Spring Creek

PoorPosted for load

Green County, Wisconsin · 0.4M N JCT Cth P · Structure no. P23018700000000

Built
1959
66 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
105
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Hk over Spring Creek is a steel stringer/multi-beam or girder carrying Cth Hk over Spring Creek in Green County, Wisconsin. It was built in 1959, so it is 66 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 other load-capacity restriction.

It carries about 105 vehicles a day, projected to reach 115 by 2043. The structure is 33 ft (10 m) long and 28 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth Hk
CrossesSpring Creek
Location0.4M N JCT Cth P
RouteCounty Highway 0HK
Coordinates42.52478, -89.71983
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: 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 rating43.2 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10 m)
Longest span31 ft (9.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2022)
Projected traffic115 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$168,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth Hk over Spring Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Cth Hk over Spring 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 June 2024.

How much traffic does Cth Hk over Spring Creek carry?

About 105 vehicles per day (2022 count).

How long is Cth Hk over Spring Creek?

The structure is 33 ft (10 m) long with a longest span of 31 ft (9.5 m) and a deck 28 ft wide.

Who owns Cth Hk over Spring Creek?

It is owned by the County Highway Agency.