US Bridges

Cth-Ff over Eight Mile Creek

Poor

Winnebago County, Wisconsin · 0.5M N JCT Sth 44 · Structure no. B70001000000000

Built
1954
71 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
730
2022 count
Owner
County
County Highway Agency

About this bridge

Cth-Ff over Eight Mile Creek is a steel stringer/multi-beam or girder carrying Cth-Ff over Eight Mile Creek in Winnebago County, Wisconsin. It was built in 1954, so it is 71 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 730 vehicles a day, projected to reach 876 by 2039. The structure is 43 ft (13 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCth-Ff
CrossesEight Mile Creek
Location0.5M N JCT Sth 44
RouteCounty Highway 0FF
Coordinates43.95565, -88.6797
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 rating37.8 US tons
Inventory rating23.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13 m)
Longest span41 ft (12.6 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2022)
Projected traffic876 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.8 mi (19 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$249,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth-Ff over Eight Mile Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Cth-Ff over Eight Mile 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 November 2023.

How much traffic does Cth-Ff over Eight Mile Creek carry?

About 730 vehicles per day (2022 count).

How long is Cth-Ff over Eight Mile Creek?

The structure is 43 ft (13 m) long with a longest span of 41 ft (12.6 m) and a deck 34 ft wide.

Who owns Cth-Ff over Eight Mile Creek?

It is owned by the County Highway Agency.