US Bridges

Lrd Hart RD over IH 39/90

Fair

Rock County, Wisconsin · .75 M E JCT Cth S · Structure no. B53031200000000

Built
2016
9 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
237 ft
2 main spans
Daily traffic
2,700
2022 count
Owner
State
State Highway Agency

About this bridge

Lrd Hart RD over IH 39/90 is a prestressed concrete continuous stringer/multi-beam or girder carrying Lrd Hart RD over IH 39/90 in Rock County, Wisconsin. It was built in 2016, so it is 9 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 2,700 vehicles a day, projected to reach 2,900 by 2040. The structure is 237 ft (72.1 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLrd Hart RD
CrossesIH 39/90
Location.75 M E JCT Cth S
RouteCity Street 0
CountyRock County
StateWisconsin
Coordinates42.54674, -88.9749
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length237 ft (72.1 m)
Longest span116 ft (35.4 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2022)
Projected traffic2,900 by 2040
Trucks0%
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 Lrd Hart RD over IH 39/90 built?

It was built in 2016, making it 9 years old in 2025.

What condition is Lrd Hart RD over IH 39/90 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 July 2023.

How much traffic does Lrd Hart RD over IH 39/90 carry?

About 2,700 vehicles per day (2022 count).

How long is Lrd Hart RD over IH 39/90?

The structure is 237 ft (72.1 m) long with a longest span of 116 ft (35.4 m) and a deck 46 ft wide.

Who owns Lrd Hart RD over IH 39/90?

It is owned by the State Highway Agency.