US Bridges

Cth V over E Br Black River

Poor

Wood County, Wisconsin · 4.8M N JCT Sth 73 · Structure no. P71004300000000

Built
1953
72 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
350
2021 count
Owner
County
County Highway Agency

About this bridge

Cth V over E Br Black River is a steel stringer/multi-beam or girder carrying Cth V over E Br Black River in Wood County, Wisconsin. It was built in 1953, so it is 72 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 350 vehicles a day, projected to reach 420 by 2041. The structure is 43 ft (13.1 m) long and 27 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesCth V
CrossesE Br Black River
Location4.8M N JCT Sth 73
RouteCounty Highway 0V
CountyWood County
StateWisconsin
Coordinates44.51268, -90.29775
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 alignment8: Equal to present desirable criteria
Operating rating34.2 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length43 ft (13.1 m)
Longest span41 ft (12.6 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2021)
Projected traffic420 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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$250,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth V over E Br Black River built?

It was built in 1953, making it 72 years old in 2025.

What condition is Cth V over E Br Black River 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 July 2023.

How much traffic does Cth V over E Br Black River carry?

About 350 vehicles per day (2021 count).

How long is Cth V over E Br Black River?

The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.6 m) and a deck 27 ft wide.

Who owns Cth V over E Br Black River?

It is owned by the County Highway Agency.