US Bridges

M-30 over Pere Marq Rail Trail

Good

Midland County, Michigan · 0.1 MI S of Saginaw RD · Structure no. 000000000013762

Built
2008
17 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
4,200
2006 count
Owner
State
State Highway Agency

About this bridge

M-30 over Pere Marq Rail Trail is a concrete culvert carrying M-30 over Pere Marq Rail Trail in Midland County, Michigan. It was built in 2008, so it is 17 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,200 vehicles a day, roughly 6% of them trucks, projected to reach 6,000 by 2026. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesM-30
CrossesPere Marq Rail Trail
Location0.1 MI S of Saginaw RD
RouteState Highway 30
Coordinates43.66578, -84.36859
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.2 US tons
Inventory rating55.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length23 ft (6.9 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2006)
Projected traffic6,000 by 2026
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was M-30 over Pere Marq Rail Trail built?

It was built in 2008, making it 17 years old in 2025.

What condition is M-30 over Pere Marq Rail Trail in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does M-30 over Pere Marq Rail Trail carry?

About 4,200 vehicles per day (2006 count), of which roughly 6% are trucks.

How long is M-30 over Pere Marq Rail Trail?

The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6.1 m).

Who owns M-30 over Pere Marq Rail Trail?

It is owned by the State Highway Agency.