US Bridges

Sth 35 over Trimbelle River

Fair

Pierce County, Wisconsin · 0.4M N JCT Cth K · Structure no. B47098200000000

Built
1962
63 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
158 ft
3 main spans
Daily traffic
3,500
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 35 over Trimbelle River is a steel continuous stringer/multi-beam or girder carrying Sth 35 over Trimbelle River in Pierce County, Wisconsin. It was built in 1962, so it is 63 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 3,500 vehicles a day, roughly 9% of them trucks, projected to reach 4,200 by 2043. The structure is 158 ft (48.2 m) long and 29 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesSth 35
CrossesTrimbelle River
Location0.4M N JCT Cth K
RouteState Highway 35
CountyPierce County
StateWisconsin
Coordinates44.62575, -92.57954
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length158 ft (48.2 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2022)
Projected traffic4,200 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$980,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 35 over Trimbelle River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Sth 35 over Trimbelle 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 April 2024.

How much traffic does Sth 35 over Trimbelle River carry?

About 3,500 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Sth 35 over Trimbelle River?

The structure is 158 ft (48.2 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns Sth 35 over Trimbelle River?

It is owned by the State Highway Agency.