US Bridges

IH 43 NB over Lrd Center Road

Fair

Manitowoc County, Wisconsin · 2.0M N JCT Cth Xx · Structure no. B36011100000000

Built
1978
47 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
121 ft
1 main span
Daily traffic
12,200
2021 count
Owner
State
State Highway Agency

About this bridge

IH 43 NB over Lrd Center Road is a prestressed concrete stringer/multi-beam or girder carrying IH 43 NB over Lrd Center Road in Manitowoc County, Wisconsin. It was built in 1978, so it is 47 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 12,200 vehicles a day, roughly 20% of them trucks, projected to reach 13,908 by 2042. The structure is 121 ft (36.9 m) long and 43 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

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CarriesIH 43 NB
CrossesLrd Center Road
Location2.0M N JCT Cth Xx
RouteInterstate 43
CountyManitowoc County
StateWisconsin
Coordinates43.941, -87.74343
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span118 ft (36.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,200 (2021)
Projected traffic13,908 by 2042
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 43 NB over Lrd Center Road built?

It was built in 1978, making it 47 years old in 2025.

What condition is IH 43 NB over Lrd Center Road 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 2023.

How much traffic does IH 43 NB over Lrd Center Road carry?

About 12,200 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is IH 43 NB over Lrd Center Road?

The structure is 121 ft (36.9 m) long with a longest span of 118 ft (36.1 m) and a deck 43 ft wide.

Who owns IH 43 NB over Lrd Center Road?

It is owned by the State Highway Agency.