US Bridges

Sth 38 Nb-Howell a over Oak Creek

Fair

Milwaukee County, Wisconsin · 0.3M N JCT Sth 100 · Structure no. B40029500000000

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
12,050
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 38 Nb-Howell a over Oak Creek is a concrete continuous slab carrying Sth 38 Nb-Howell a over Oak Creek in Milwaukee County, Wisconsin. It was built in 1968, so it is 57 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 12,050 vehicles a day, roughly 3% of them trucks, projected to reach 14,460 by 2042. The structure is 107 ft (32.7 m) long and 50 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSth 38 Nb-Howell a
CrossesOak Creek
Location0.3M N JCT Sth 100
RouteState Highway 38
CountyMilwaukee County
StateWisconsin
Coordinates42.87675, -87.91238
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.7 m)
Longest span43 ft (13.1 m)
Deck width50 ft (15.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,050 (2022)
Projected traffic14,460 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 Sth 38 Nb-Howell a over Oak Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Sth 38 Nb-Howell a 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 October 2024.

How much traffic does Sth 38 Nb-Howell a over Oak Creek carry?

About 12,050 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Sth 38 Nb-Howell a over Oak Creek?

The structure is 107 ft (32.7 m) long with a longest span of 43 ft (13.1 m) and a deck 50 ft wide.

Who owns Sth 38 Nb-Howell a over Oak Creek?

It is owned by the State Highway Agency.