US Bridges

Ush 151-STH 42 NB over IH 43

Fair

Manitowoc County, Wisconsin · 0.2M N JCT Sth 42 to S · Structure no. B36006300000000

Built
1979
46 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
301 ft
2 main spans
Daily traffic
13,900
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 151-STH 42 NB over IH 43 is a steel continuous stringer/multi-beam or girder carrying Ush 151-STH 42 NB over IH 43 in Manitowoc County, Wisconsin. It was built in 1979, so it is 46 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 13,900 vehicles a day, roughly 3% of them trucks, projected to reach 14,803 by 2043. The structure is 301 ft (91.6 m) long and 91 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUsh 151-STH 42 NB
CrossesIH 43
Location0.2M N JCT Sth 42 to S
RouteU.S. Route 151
Coordinates44.07314, -87.71297
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 rating90.4 US tons
Inventory rating53.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length301 ft (91.6 m)
Longest span148 ft (45 m)
Deck width91 ft (27.7 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,900 (2022)
Projected traffic14,803 by 2043
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ush 151-STH 42 NB over IH 43 built?

It was built in 1979, making it 46 years old in 2025.

What condition is Ush 151-STH 42 NB over IH 43 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 November 2024.

How much traffic does Ush 151-STH 42 NB over IH 43 carry?

About 13,900 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Ush 151-STH 42 NB over IH 43?

The structure is 301 ft (91.6 m) long with a longest span of 148 ft (45 m) and a deck 91 ft wide.

Who owns Ush 151-STH 42 NB over IH 43?

It is owned by the State Highway Agency.