US Bridges

M-24 over Raymph Drain

Fair

Lapeer County, Michigan · 2.0 MI N of M-90 · Structure no. 000000000005305

Built
1940
85 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
4,293
2007 count
Owner
State
State Highway Agency

About this bridge

M-24 over Raymph Drain is a concrete culvert carrying M-24 over Raymph Drain in Lapeer County, Michigan. It was built in 1940, so it is 85 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 5 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 4,293 vehicles a day, roughly 8% of them trucks, projected to reach 7,618 by 2018. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-24
CrossesRaymph Drain
Location2.0 MI N of M-90
RouteState Highway 24
CountyLapeer County
StateMichigan
Coordinates43.25152, -83.31529
Functional classRural Minor Arterial

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length22 ft (6.6 m)
Longest span22 ft (6.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,293 (2007)
Projected traffic7,618 by 2018
Trucks8%
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

OwnerState Highway Agency
Maintained byState 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 M-24 over Raymph Drain built?

It was built in 1940, making it 85 years old in 2025.

What condition is M-24 over Raymph 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 May 2023.

How much traffic does M-24 over Raymph Drain carry?

About 4,293 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is M-24 over Raymph Drain?

The structure is 22 ft (6.6 m) long with a longest span of 22 ft (6.6 m).

Who owns M-24 over Raymph Drain?

It is owned by the State Highway Agency.