US Bridges

Colonial Road over Marquette Railroad

Good

Newaygo County, Michigan · Ashland Twp Sec 1 · Structure no. 000000000013494

Built
2019
6 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
500
2018 count
Owner
County
County Highway Agency

About this bridge

Colonial Road over Marquette Railroad is a prestressed concrete box beam or girders - multiple carrying Colonial Road over Marquette Railroad in Newaygo County, Michigan. It was built in 2019, so it is 6 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 500 vehicles a day, projected to reach 750 by 2038. The structure is 124 ft (37.8 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesColonial Road
CrossesMarquette Railroad
LocationAshland Twp Sec 1
RouteCounty Highway 0
CountyNewaygo County
StateMichigan
Coordinates43.37, -85.81583
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating75 US tons
Inventory rating57.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length124 ft (37.8 m)
Longest span123 ft (37.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2018)
Projected traffic750 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Colonial Road over Marquette Railroad built?

It was built in 2019, making it 6 years old in 2025.

What condition is Colonial Road over Marquette Railroad 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 June 2024.

How much traffic does Colonial Road over Marquette Railroad carry?

About 500 vehicles per day (2018 count).

How long is Colonial Road over Marquette Railroad?

The structure is 124 ft (37.8 m) long with a longest span of 123 ft (37.4 m) and a deck 35 ft wide.

Who owns Colonial Road over Marquette Railroad?

It is owned by the County Highway Agency.