US Bridges

Cth Hh over Hemlock Creek

Poor

Wood County, Wisconsin · 1.3M N JCT Sth 186 · Structure no. P71007000000000

Built
1961
64 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
485
2023 count
Owner
County
County Highway Agency

About this bridge

Cth Hh over Hemlock Creek is a steel stringer/multi-beam or girder carrying Cth Hh over Hemlock Creek in Wood County, Wisconsin. It was built in 1961, so it is 64 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.

It carries about 485 vehicles a day, projected to reach 485 by 2042. The structure is 47 ft (14.3 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCth Hh
CrossesHemlock Creek
Location1.3M N JCT Sth 186
RouteCounty Highway 0HH
CountyWood County
StateWisconsin
Coordinates44.50399, -89.96929
Functional classRural Minor 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic485 (2023)
Projected traffic485 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$267,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth Hh over Hemlock Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Cth Hh over Hemlock 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 September 2023.

How much traffic does Cth Hh over Hemlock Creek carry?

About 485 vehicles per day (2023 count).

How long is Cth Hh over Hemlock Creek?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns Cth Hh over Hemlock Creek?

It is owned by the County Highway Agency.