US Bridges

Sth 131 over IH 90

Fair

Monroe County, Wisconsin · 4.2M N JCT Cth a · Structure no. B41011700000000

Built
1968
57 years old, rebuilt 2001
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
2 main spans
Daily traffic
4,800
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 131 over IH 90 is a steel continuous stringer/multi-beam or girder carrying Sth 131 over IH 90 in Monroe County, Wisconsin. It was built in 1968 and reconstructed in 2001, so it is 57 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 5 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 4,800 vehicles a day, roughly 6% of them trucks, projected to reach 5,760 by 2041. The structure is 232 ft (70.8 m) long and 68 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSth 131
CrossesIH 90
Location4.2M N JCT Cth a
RouteState Highway 131
CountyMonroe County
StateWisconsin
Coordinates43.95725, -90.50486
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length232 ft (70.8 m)
Longest span116 ft (35.5 m)
Deck width68 ft (20.7 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2021)
Projected traffic5,760 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Sth 131 over IH 90 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2001.

What condition is Sth 131 over IH 90 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 August 2024.

How much traffic does Sth 131 over IH 90 carry?

About 4,800 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Sth 131 over IH 90?

The structure is 232 ft (70.8 m) long with a longest span of 116 ft (35.5 m) and a deck 68 ft wide.

Who owns Sth 131 over IH 90?

It is owned by the State Highway Agency.