US Bridges

Sth EB Sth 11 over Union Pacific RR

Fair

Rock County, Wisconsin · 0.9M E JCT Cth G · Structure no. B53014200000000

Built
1989
36 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
652 ft
4 main spans
Daily traffic
9,550
2022 count
Owner
State
State Highway Agency

About this bridge

Sth EB Sth 11 over Union Pacific RR is a steel continuous stringer/multi-beam or girder carrying Sth EB Sth 11 over Union Pacific RR in Rock County, Wisconsin. It was built in 1989, so it is 36 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 9,550 vehicles a day, roughly 3% of them trucks, projected to reach 11,460 by 2043. The structure is 652 ft (198.7 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSth EB Sth 11
CrossesUnion Pacific RR
Location0.9M E JCT Cth G
RouteState Highway 11
CountyRock County
StateWisconsin
Coordinates42.6349, -88.99574
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length652 ft (198.7 m)
Longest span171 ft (52.1 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,550 (2022)
Projected traffic11,460 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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 EB Sth 11 over Union Pacific RR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Sth EB Sth 11 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 March 2024.

How much traffic does Sth EB Sth 11 over Union Pacific RR carry?

About 9,550 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Sth EB Sth 11 over Union Pacific RR?

The structure is 652 ft (198.7 m) long with a longest span of 171 ft (52.1 m) and a deck 46 ft wide.

Who owns Sth EB Sth 11 over Union Pacific RR?

It is owned by the State Highway Agency.