US Bridges

34 Mile RD over Highbank Creek

PoorPosted for load

Macomb County, Michigan · 1200 E of Armada Ridge · Structure no. 000000000014319

Built
1968
57 years old
Condition
Poor
inspected July 2024
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
114
2022 count
Owner
County
County Highway Agency

About this bridge

34 Mile RD over Highbank Creek is a steel culvert carrying 34 Mile RD over Highbank Creek in Macomb County, Michigan. It was built in 1968, so it is 57 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 3 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 114 vehicles a day, roughly 2% of them trucks, projected to reach 128 by 2042. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries34 Mile RD
CrossesHighbank Creek
Location1200 E of Armada Ridge
RouteCounty Highway 0
Coordinates42.8373, -82.8235
Functional classRural Local

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.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19 US tons
Inventory rating11.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114 (2022)
Projected traffic128 by 2042
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 34 Mile RD over Highbank Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is 34 Mile 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 July 2024.

How much traffic does 34 Mile RD over Highbank Creek carry?

About 114 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 34 Mile RD over Highbank Creek?

The structure is 24 ft (7.4 m) long with a longest span of 10 ft (3.1 m).

Who owns 34 Mile RD over Highbank Creek?

It is owned by the County Highway Agency.