US Bridges

Henry Street over Dowagiac Creek

FairPosted for load

Cass County, Michigan · 0.2 MI South of High ST · Structure no. 000000000001467

Built
1980
45 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
639
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Henry Street over Dowagiac Creek is a prestressed concrete box beam or girders - multiple carrying Henry Street over Dowagiac Creek in Cass County, Michigan. It was built in 1980, so it is 45 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. Its operating status is: posted for load restriction.

It carries about 639 vehicles a day, projected to reach 780 by 2042. The structure is 54 ft (16.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHenry Street
CrossesDowagiac Creek
Location0.2 MI South of High ST
RouteCity Street 0
Coordinates41.97841, -86.10932
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment7: Better than present minimum criteria
Operating rating51.8 US tons
Inventory rating31.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length54 ft (16.4 m)
Longest span54 ft (16.4 m)
Deck width33 ft (10.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic639 (2022)
Projected traffic780 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Henry Street over Dowagiac Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Henry Street over Dowagiac 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 Henry Street over Dowagiac Creek carry?

About 639 vehicles per day (2022 count).

How long is Henry Street over Dowagiac Creek?

The structure is 54 ft (16.4 m) long with a longest span of 54 ft (16.4 m) and a deck 33 ft wide.

Who owns Henry Street over Dowagiac Creek?

It is owned by the City or Municipal Highway Agency.