US Bridges

Cth F over Lamb Creek

Fair

Dunn County, Wisconsin · 5.1M N JCT Sth 25 · Structure no. P17094800000000

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Slab
Wood or Timber
Length
26 ft
1 main span
Daily traffic
263
2024 count
Owner
County
County Highway Agency

About this bridge

Cth F over Lamb Creek is a wood or timber slab carrying Cth F over Lamb Creek in Dunn County, Wisconsin. It was built in 1982, so it is 43 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 263 vehicles a day, projected to reach 278 by 2043. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth F
CrossesLamb Creek
Location5.1M N JCT Sth 25
RouteCounty Highway 0F
Coordinates44.99388, -91.94554
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating61.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic263 (2024)
Projected traffic278 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth F over Lamb Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Cth F over Lamb Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Cth F over Lamb Creek carry?

About 263 vehicles per day (2024 count).

How long is Cth F over Lamb Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Cth F over Lamb Creek?

It is owned by the County Highway Agency.