US Bridges

Lrd Mill RD over Oak Creek

Fair

Milwaukee County, Wisconsin · 0.5M S JCT Sth 32 · Structure no. B40093600000000

Built
1931
94 years old
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
48 ft
1 main span
Daily traffic
5,200
2022 count
Owner
County
County Highway Agency

About this bridge

Lrd Mill RD over Oak Creek is a concrete arch - deck carrying Lrd Mill RD over Oak Creek in Milwaukee County, Wisconsin. It was built in 1931, so it is 94 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 5,200 vehicles a day, projected to reach 5,551 by 2043. The structure is 48 ft (14.6 m) long and 45 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesLrd Mill RD
CrossesOak Creek
Location0.5M S JCT Sth 32
RouteCity Street 0
CountyMilwaukee County
StateWisconsin
Coordinates42.91225, -87.85323
Functional classUrban Minor 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length48 ft (14.6 m)
Longest span30 ft (9.1 m)
Deck width45 ft (13.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2022)
Projected traffic5,551 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$459,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Mill RD over Oak Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is Lrd Mill RD over Oak Creek 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 Mill RD over Oak Creek carry?

About 5,200 vehicles per day (2022 count).

How long is Lrd Mill RD over Oak Creek?

The structure is 48 ft (14.6 m) long with a longest span of 30 ft (9.1 m) and a deck 45 ft wide.

Who owns Lrd Mill RD over Oak Creek?

It is owned by the County Highway Agency.