US Bridges

ST Joseph Street over Mill Creek

Fair

Berrien County, Michigan · 780 Ft East of Main ST · Structure no. 000000000001061

Built
1992
33 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
7,487
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

ST Joseph Street over Mill Creek is a prestressed concrete box beam or girders - multiple carrying ST Joseph Street over Mill Creek in Berrien County, Michigan. It was built in 1992, so it is 33 years old, younger than the Michigan average of 48.3 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 7,487 vehicles a day, roughly 4% of them trucks, projected to reach 9,136 by 2043. The structure is 50 ft (15.2 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST Joseph Street
CrossesMill Creek
Location780 Ft East of Main ST
RouteCity Street 1170
Coordinates42.18703, -86.25791
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.2 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width41 ft (12.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,487 (2023)
Projected traffic9,136 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 ST Joseph Street over Mill Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is ST Joseph Street over Mill 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 2023.

How much traffic does ST Joseph Street over Mill Creek carry?

About 7,487 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is ST Joseph Street over Mill Creek?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 41 ft wide.

Who owns ST Joseph Street over Mill Creek?

It is owned by the City or Municipal Highway Agency.