US Bridges

Cth P over Trempealeau River

Fair

Jackson County, Wisconsin · 0.3M S JCT Sth 95 · Structure no. B27010900000000

Built
1992
33 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
90 ft
2 main spans
Daily traffic
1,500
2022 count
Owner
County
County Highway Agency

About this bridge

Cth P over Trempealeau River is a concrete continuous slab carrying Cth P over Trempealeau River in Jackson County, Wisconsin. It was built in 1992, so it is 33 years old, younger 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 5 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 1,500 vehicles a day, projected to reach 862 by 2042. The structure is 90 ft (27.4 m) long and 38 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesCth P
CrossesTrempealeau River
Location0.3M S JCT Sth 95
RouteCounty Highway 0P
Coordinates44.32731, -91.12539
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span44 ft (13.4 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic862 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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$509,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth P over Trempealeau River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Cth P over Trempealeau River 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 October 2023.

How much traffic does Cth P over Trempealeau River carry?

About 1,500 vehicles per day (2022 count).

How long is Cth P over Trempealeau River?

The structure is 90 ft (27.4 m) long with a longest span of 44 ft (13.4 m) and a deck 38 ft wide.

Who owns Cth P over Trempealeau River?

It is owned by the County Highway Agency.