US Bridges

Armada Center RD over Coon Creek

PoorPosted for load

Macomb County, Michigan · 0.1 MI West of Coon Creek · Structure no. 000000000006235

Built
1927
98 years old
Condition
Poor
inspected November 2024
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
4,440
2024 count
Owner
County
County Highway Agency

About this bridge

Armada Center RD over Coon Creek is a concrete tee beam carrying Armada Center RD over Coon Creek in Macomb County, Michigan. It was built in 1927, so it is 98 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 4,440 vehicles a day, roughly 3% of them trucks, projected to reach 4,440 by 2044. The structure is 28 ft (8.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesArmada Center RD
CrossesCoon Creek
Location0.1 MI West of Coon Creek
RouteCounty Highway 5090
Coordinates42.84965, -82.92645
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.7 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,440 (2024)
Projected traffic4,440 by 2044
Trucks3%
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 Armada Center RD over Coon Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is Armada Center RD over Coon Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Armada Center RD over Coon Creek carry?

About 4,440 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Armada Center RD over Coon Creek?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns Armada Center RD over Coon Creek?

It is owned by the County Highway Agency.