US Bridges

Lrd Four Mile RD over Root River

Fair

Racine County, Wisconsin · 0.3M E JCT Sth 38 · Structure no. P51003400000000

Built
1960
65 years old, rebuilt 2009
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
125 ft
2 main spans
Daily traffic
4,600
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Four Mile RD over Root River is a prestressed concrete stringer/multi-beam or girder carrying Lrd Four Mile RD over Root River in Racine County, Wisconsin. It was built in 1960 and reconstructed in 2009, so it is 65 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 4,600 vehicles a day, projected to reach 5,520 by 2041. The structure is 125 ft (38.2 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesLrd Four Mile RD
CrossesRoot River
Location0.3M E JCT Sth 38
RouteCity Street 0
Coordinates42.78464, -87.86526
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length125 ft (38.2 m)
Longest span61 ft (18.7 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2021)
Projected traffic5,520 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Four Mile RD over Root River built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2009.

What condition is Lrd Four Mile RD over Root River 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 Lrd Four Mile RD over Root River carry?

About 4,600 vehicles per day (2021 count).

How long is Lrd Four Mile RD over Root River?

The structure is 125 ft (38.2 m) long with a longest span of 61 ft (18.7 m) and a deck 32 ft wide.

Who owns Lrd Four Mile RD over Root River?

It is owned by the City or Municipal Highway Agency.