US Bridges

Sth 158 over Cmstpp RR

Fair

Kenosha County, Wisconsin · 0.5 MI E JCT Cth H · Structure no. B30000300000000

Built
1958
67 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
193 ft
4 main spans
Daily traffic
18,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 158 over Cmstpp RR is a prestressed concrete stringer/multi-beam or girder carrying Sth 158 over Cmstpp RR in Kenosha County, Wisconsin. It was built in 1958, so it is 67 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 18,400 vehicles a day, roughly 3% of them trucks, projected to reach 25,690 by 2043. The structure is 193 ft (58.9 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSth 158
CrossesCmstpp RR
Location0.5 MI E JCT Cth H
RouteState Highway 158
CountyKenosha County
StateWisconsin
Coordinates42.58893, -87.90531
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length193 ft (58.9 m)
Longest span48 ft (14.5 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,400 (2022)
Projected traffic25,690 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 158 over Cmstpp RR built?

It was built in 1958, making it 67 years old in 2025.

What condition is Sth 158 over Cmstpp 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 September 2024.

How much traffic does Sth 158 over Cmstpp RR carry?

About 18,400 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Sth 158 over Cmstpp RR?

The structure is 193 ft (58.9 m) long with a longest span of 48 ft (14.5 m) and a deck 36 ft wide.

Who owns Sth 158 over Cmstpp RR?

It is owned by the State Highway Agency.