US Bridges

Cth N over Br Hemlock Creek

PoorPosted for load

Wood County, Wisconsin · 0.3M E JCT Sth 186 · Structure no. B71076800000000

Built
1917
108 years old, rebuilt 1960
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
34 ft
1 main span
Daily traffic
200
2021 count
Owner
County
County Highway Agency

About this bridge

Cth N over Br Hemlock Creek is a concrete stringer/multi-beam or girder carrying Cth N over Br Hemlock Creek in Wood County, Wisconsin. It was built in 1917 and reconstructed in 1960, so it is 108 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 200 vehicles a day, projected to reach 240 by 2041. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCth N
CrossesBr Hemlock Creek
Location0.3M E JCT Sth 186
RouteCounty Highway 0N
Coordinates44.55517, -90.02069
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 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 rating36.4 US tons
Inventory rating14.3 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic240 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$211,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth N over Br Hemlock Creek built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1960.

What condition is Cth N over Br 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 N over Br Hemlock Creek carry?

About 200 vehicles per day (2021 count).

How long is Cth N over Br Hemlock Creek?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns Cth N over Br Hemlock Creek?

It is owned by the County Highway Agency.