US Bridges

33 Mile Road over East Branch Coon Creek

Good

Macomb County, Michigan · 0.2 MI East of North Ave · Structure no. 000000000006287

Built
1983
42 years old, rebuilt 2022
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Steel
Length
43 ft
1 main span
Daily traffic
190
2020 count
Owner
County
County Highway Agency

About this bridge

33 Mile Road over East Branch Coon Creek is a steel box beam or girders - single or spread carrying 33 Mile Road over East Branch Coon Creek in Macomb County, Michigan. It was built in 1983 and reconstructed in 2022, so it is 42 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 190 vehicles a day, roughly 2% of them trucks, projected to reach 286 by 2040. The structure is 43 ft (13 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries33 Mile Road
CrossesEast Branch Coon Creek
Location0.2 MI East of North Ave
RouteCounty Highway 0
Coordinates42.82103, -82.87794
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating98.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length43 ft (13 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2020)
Projected traffic286 by 2040
Trucks2%
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

OwnerCounty Highway Agency
Maintained byCounty 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 33 Mile Road over East Branch Coon Creek built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2022.

What condition is 33 Mile Road over East Branch Coon Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does 33 Mile Road over East Branch Coon Creek carry?

About 190 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is 33 Mile Road over East Branch Coon Creek?

The structure is 43 ft (13 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns 33 Mile Road over East Branch Coon Creek?

It is owned by the County Highway Agency.