US Bridges

IH 43 over Tributary to Ulao Creek

Fair

Ozaukee County, Wisconsin · 0.7M N Mequon Road · Structure no. B45011600000000

Built
2024
1 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
24,583
2025 count
Owner
State
State Highway Agency

About this bridge

IH 43 over Tributary to Ulao Creek is a concrete culvert carrying IH 43 over Tributary to Ulao Creek in Ozaukee County, Wisconsin. It was built in 2024, so it is 1 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 24,583 vehicles a day, projected to reach 29,500 by 2045. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIH 43
CrossesTributary to Ulao Creek
Location0.7M N Mequon Road
RouteInterstate 43
CountyOzaukee County
StateWisconsin
Coordinates43.23103, -87.91971
Functional classRural Principal Arterial - Interstate

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 protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,583 (2025)
Projected traffic29,500 by 2045
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 43 over Tributary to Ulao Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is IH 43 over Tributary to Ulao 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 IH 43 over Tributary to Ulao Creek carry?

About 24,583 vehicles per day (2025 count).

How long is IH 43 over Tributary to Ulao Creek?

The structure is 29 ft (8.7 m) long with a longest span of 12 ft (3.7 m).

Who owns IH 43 over Tributary to Ulao Creek?

It is owned by the State Highway Agency.