US Bridges

Lrd N 115th ST over Underwood Creek

Fair

Milwaukee County, Wisconsin · 0.5M N JCT Ush 18 · Structure no. P40077000000000

Built
1976
49 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
59 ft
3 main spans
Daily traffic
5,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd N 115th ST over Underwood Creek is a concrete culvert carrying Lrd N 115th ST over Underwood Creek in Milwaukee County, Wisconsin. It was built in 1976, so it is 49 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 5 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 7,441 by 2043. The structure is 59 ft (17.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLrd N 115th ST
CrossesUnderwood Creek
Location0.5M N JCT Ush 18
RouteCity Street 0
CountyMilwaukee County
StateWisconsin
Coordinates43.04312, -88.05623
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length59 ft (17.9 m)
Longest span16 ft (4.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2022)
Projected traffic7,441 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 N 115th ST over Underwood Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Lrd N 115th ST over Underwood 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 August 2024.

How much traffic does Lrd N 115th ST over Underwood Creek carry?

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

How long is Lrd N 115th ST over Underwood Creek?

The structure is 59 ft (17.9 m) long with a longest span of 16 ft (4.8 m).

Who owns Lrd N 115th ST over Underwood Creek?

It is owned by the City or Municipal Highway Agency.