US Bridges

Kunstman RD over Camp Brook Drain

Fair

Macomb County, Michigan · 0.3 MI North of 28 Mile · Structure no. 000000000006384

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
26 ft
2 main spans
Daily traffic
160
2009 count
Owner
County
County Highway Agency

About this bridge

Kunstman RD over Camp Brook Drain is a steel culvert carrying Kunstman RD over Camp Brook Drain in Macomb County, Michigan. It was built in 1972, so it is 53 years old, older 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.

It carries about 160 vehicles a day, roughly 2% of them trucks, projected to reach 238 by 2029. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKunstman RD
CrossesCamp Brook Drain
Location0.3 MI North of 28 Mile
RouteCounty Highway 0
Coordinates42.74916, -82.94055
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (7.9 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 traffic160 (2009)
Projected traffic238 by 2029
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 Kunstman RD over Camp Brook Drain built?

It was built in 1972, making it 53 years old in 2025.

What condition is Kunstman RD over Camp Brook Drain 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 June 2023.

How much traffic does Kunstman RD over Camp Brook Drain carry?

About 160 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Kunstman RD over Camp Brook Drain?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.3 m).

Who owns Kunstman RD over Camp Brook Drain?

It is owned by the County Highway Agency.