US Bridges

Lrd S 15th Ave. over Oak Creek

Fair

Milwaukee County, Wisconsin · 1.3M S JCT College Cth Zz · Structure no. P40050400000000

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
51 ft
1 main span
Daily traffic
5,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd S 15th Ave. over Oak Creek is a concrete stringer/multi-beam or girder carrying Lrd S 15th Ave. over Oak Creek in Milwaukee County, Wisconsin. It was built in 1957, so it is 68 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 5,100 vehicles a day, projected to reach 6,120 by 2042. The structure is 51 ft (15.5 m) long and 57 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesLrd S 15th Ave.
CrossesOak Creek
Location1.3M S JCT College Cth Zz
RouteCity Street 0
CountyMilwaukee County
StateWisconsin
Coordinates42.91023, -87.87151
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length51 ft (15.5 m)
Longest span51 ft (15.5 m)
Deck width57 ft (17.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2022)
Projected traffic6,120 by 2042
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

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 S 15th Ave. over Oak Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Lrd S 15th Ave. 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 July 2024.

How much traffic does Lrd S 15th Ave. over Oak Creek carry?

About 5,100 vehicles per day (2022 count).

How long is Lrd S 15th Ave. over Oak Creek?

The structure is 51 ft (15.5 m) long with a longest span of 51 ft (15.5 m) and a deck 57 ft wide.

Who owns Lrd S 15th Ave. over Oak Creek?

It is owned by the City or Municipal Highway Agency.