US Bridges

Cth B over N Fk Main Creek

PoorPosted for load

Rusk County, Wisconsin · 1.7M S JCT Ush 8-12 · Structure no. P54003300000000

Built
1957
68 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
172
2024 count
Owner
County
County Highway Agency

About this bridge

Cth B over N Fk Main Creek is a steel stringer/multi-beam or girder carrying Cth B over N Fk Main Creek in Rusk County, Wisconsin. It was built in 1957, so it is 68 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 3 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 load restriction.

It carries about 172 vehicles a day, projected to reach 178 by 2043. The structure is 53 ft (16.1 m) long and 25 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesCth B
CrossesN Fk Main Creek
Location1.7M S JCT Ush 8-12
RouteCounty Highway 0B
CountyRusk County
StateWisconsin
Coordinates45.47008, -90.89402
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating17.6 US tons
Inventory rating10.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length53 ft (16.1 m)
Longest span51 ft (15.5 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic172 (2024)
Projected traffic178 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$292,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth B over N Fk Main Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Cth B over N Fk Main 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 July 2024.

How much traffic does Cth B over N Fk Main Creek carry?

About 172 vehicles per day (2024 count).

How long is Cth B over N Fk Main Creek?

The structure is 53 ft (16.1 m) long with a longest span of 51 ft (15.5 m) and a deck 25 ft wide.

Who owns Cth B over N Fk Main Creek?

It is owned by the County Highway Agency.