US Bridges

M-30 Meridian RD over Carroll Creek

Good

Midland County, Michigan · 0.8 MI S of Wackerly RD · Structure no. 000000000006953

Built
2006
19 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
4,200
2006 count
Owner
State
State Highway Agency

About this bridge

M-30 Meridian RD over Carroll Creek is a prestressed concrete box beam or girders - multiple carrying M-30 Meridian RD over Carroll Creek in Midland County, Michigan. It was built in 2006, so it is 19 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 7 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 5% of them trucks, projected to reach 6,000 by 2026. The structure is 50 ft (15.2 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-30 Meridian RD
CrossesCarroll Creek
Location0.8 MI S of Wackerly RD
RouteState Highway 30
CountyMidland County
StateMichigan
Coordinates43.64225, -84.36885
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.7 US tons
Inventory rating46.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2006)
Projected traffic6,000 by 2026
Trucks5%
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-30 Meridian RD over Carroll Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is M-30 Meridian RD over Carroll Creek 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 December 2023.

How much traffic does M-30 Meridian RD over Carroll Creek carry?

About 4,200 vehicles per day (2006 count), of which roughly 5% are trucks.

How long is M-30 Meridian RD over Carroll Creek?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 44 ft wide.

Who owns M-30 Meridian RD over Carroll Creek?

It is owned by the State Highway Agency.