US Bridges

Sth 112 over White River

Fair

Ashland County, Wisconsin · 3.7M N JCT Cth E · Structure no. B02041400000000

Built
1926
99 years old, rebuilt 1985
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
73 ft
1 main span
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 112 over White River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 112 over White River in Ashland County, Wisconsin. It was built in 1926 and reconstructed in 1985, so it is 99 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 1,600 vehicles a day, roughly 4% of them trucks, projected to reach 1,920 by 2042. The structure is 73 ft (22.3 m) long and 37 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSth 112
CrossesWhite River
Location3.7M N JCT Cth E
RouteState Highway 112
Coordinates46.49762, -90.90921
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span73 ft (22.3 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2022)
Projected traffic1,920 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 112 over White River built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1985.

What condition is Sth 112 over White 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 2024.

How much traffic does Sth 112 over White River carry?

About 1,600 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Sth 112 over White River?

The structure is 73 ft (22.3 m) long with a longest span of 73 ft (22.3 m) and a deck 37 ft wide.

Who owns Sth 112 over White River?

It is owned by the State Highway Agency.