US Bridges

Raap Road over Fisher Lake Outlet

PoorPosted for load

Macomb County, Michigan · 0.1 MI E of Fisher Road · Structure no. 000000000006309

Built
1982
43 years old
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
21 ft
3 main spans
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

Raap Road over Fisher Lake Outlet is a steel culvert carrying Raap Road over Fisher Lake Outlet in Macomb County, Michigan. It was built in 1982, so it is 43 years old, younger 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 50 vehicles a day, roughly 3% of them trucks, projected to reach 60 by 2041. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 124.3 mi (200 km).

CarriesRaap Road
CrossesFisher Lake Outlet
Location0.1 MI E of Fisher Road
RouteCounty Highway 0
Coordinates42.82174, -83.07185
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.5 US tons
Inventory rating11 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 20
Structure length21 ft (6.4 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic60 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.3 mi (200 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 Raap Road over Fisher Lake Outlet built?

It was built in 1982, making it 43 years old in 2025.

What condition is Raap Road over Fisher Lake Outlet 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 Raap Road over Fisher Lake Outlet carry?

About 50 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Raap Road over Fisher Lake Outlet?

The structure is 21 ft (6.4 m) long with a longest span of 6 ft (1.8 m).

Who owns Raap Road over Fisher Lake Outlet?

It is owned by the County Highway Agency.