US Bridges

Ush 12-STH 16 over Union Pacific RR

Fair

Juneau County, Wisconsin · 0.1M E JCT Cth H · Structure no. B29007200000000

Built
1983
42 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
135 ft
3 main spans
Daily traffic
2,200
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 12-STH 16 over Union Pacific RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 12-STH 16 over Union Pacific RR in Juneau County, Wisconsin. It was built in 1983, so it is 42 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 2,200 vehicles a day, roughly 4% of them trucks, projected to reach 2,180 by 2042. The structure is 135 ft (41 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesUsh 12-STH 16
CrossesUnion Pacific RR
Location0.1M E JCT Cth H
RouteU.S. Route 12
CountyJuneau County
StateWisconsin
Coordinates43.92264, -90.26939
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length135 ft (41 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2022)
Projected traffic2,180 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ush 12-STH 16 over Union Pacific RR built?

It was built in 1983, making it 42 years old in 2025.

What condition is Ush 12-STH 16 over Union Pacific RR 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 May 2023.

How much traffic does Ush 12-STH 16 over Union Pacific RR carry?

About 2,200 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Ush 12-STH 16 over Union Pacific RR?

The structure is 135 ft (41 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns Ush 12-STH 16 over Union Pacific RR?

It is owned by the State Highway Agency.