US Bridges

Sth 22 over Union Pacific RR CO

Fair

Marquette County, Wisconsin · At UP RR · Structure no. B39006200000000

Built
2002
23 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
2,000
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 22 over Union Pacific RR CO is a concrete continuous slab carrying Sth 22 over Union Pacific RR CO in Marquette County, Wisconsin. It was built in 2002, so it is 23 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 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 2,000 vehicles a day, roughly 8% of them trucks, projected to reach 2,660 by 2042. The structure is 137 ft (41.9 m) long and 38 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesSth 22
CrossesUnion Pacific RR CO
LocationAt UP RR
RouteState Highway 22
Coordinates43.71393, -89.31174
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
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 spans3
Design loadHS 20
Structure length137 ft (41.9 m)
Longest span55 ft (16.8 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2021)
Projected traffic2,660 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemYes

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 Sth 22 over Union Pacific RR CO built?

It was built in 2002, making it 23 years old in 2025.

What condition is Sth 22 over Union Pacific RR CO 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 June 2023.

How much traffic does Sth 22 over Union Pacific RR CO carry?

About 2,000 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Sth 22 over Union Pacific RR CO?

The structure is 137 ft (41.9 m) long with a longest span of 55 ft (16.8 m) and a deck 38 ft wide.

Who owns Sth 22 over Union Pacific RR CO?

It is owned by the State Highway Agency.