US Bridges

Cth Dd over Spafford Creek

Poor

Lafayette County, Wisconsin · 1.8M W JCT Sth 176 · Structure no. P33024400000000

Built
1959
66 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
94
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Dd over Spafford Creek is a steel stringer/multi-beam or girder carrying Cth Dd over Spafford Creek in Lafayette County, Wisconsin. It was built in 1959, so it is 66 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 94 vehicles a day, projected to reach 103 by 2043. The structure is 52 ft (16 m) long and 23 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCth Dd
CrossesSpafford Creek
Location1.8M W JCT Sth 176
RouteCounty Highway 0DD
CountyLafayette County
StateWisconsin
Coordinates42.52088, -89.91142
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length52 ft (16 m)
Longest span50 ft (15.3 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94 (2022)
Projected traffic103 by 2043
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$292,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth Dd over Spafford Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Cth Dd over Spafford 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 2024.

How much traffic does Cth Dd over Spafford Creek carry?

About 94 vehicles per day (2022 count).

How long is Cth Dd over Spafford Creek?

The structure is 52 ft (16 m) long with a longest span of 50 ft (15.3 m) and a deck 23 ft wide.

Who owns Cth Dd over Spafford Creek?

It is owned by the County Highway Agency.