US Bridges

Armada Ridge RD over Highbank Creek

Poor

Macomb County, Michigan · 0.1 MI E of Cryderman RD · Structure no. 000000000006232

Built
1950
75 years old
Condition
Poor
inspected August 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,690
2010 count
Owner
County
County Highway Agency

About this bridge

Armada Ridge RD over Highbank Creek is a concrete culvert carrying Armada Ridge RD over Highbank Creek in Macomb County, Michigan. It was built in 1950, so it is 75 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.

It carries about 1,690 vehicles a day, roughly 3% of them trucks, projected to reach 2,511 by 2030. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesArmada Ridge RD
CrossesHighbank Creek
Location0.1 MI E of Cryderman RD
RouteCounty Highway 5084
CountyMacomb County
StateMichigan
Coordinates42.84216, -82.83483
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.4 US tons
Inventory rating56.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length22 ft (6.7 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,690 (2010)
Projected traffic2,511 by 2030
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Ridge RD over Highbank Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Armada Ridge RD over Highbank 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 August 2024.

How much traffic does Armada Ridge RD over Highbank Creek carry?

About 1,690 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is Armada Ridge RD over Highbank Creek?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.3 m).

Who owns Armada Ridge RD over Highbank Creek?

It is owned by the County Highway Agency.