US Bridges

College Avenue over Grand Trunk RR

Good

Kent County, Michigan · Grand Rapids · Structure no. 000000000005204

Built
2008
17 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
11,382
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

College Avenue over Grand Trunk RR is a prestressed concrete box beam or girders - multiple carrying College Avenue over Grand Trunk RR in Kent 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 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 11,382 vehicles a day, roughly 9% of them trucks, projected to reach 14,153 by 2041. The structure is 70 ft (21.3 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCollege Avenue
CrossesGrand Trunk RR
LocationGrand Rapids
RouteCity Street 2001
CountyKent County
StateMichigan
Coordinates42.97375, -85.65702
Functional classUrban 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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span64 ft (19.6 m)
Deck width70 ft (21.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,382 (2021)
Projected traffic14,153 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 College Avenue over Grand Trunk RR built?

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

What condition is College Avenue over Grand Trunk RR 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 August 2023.

How much traffic does College Avenue over Grand Trunk RR carry?

About 11,382 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is College Avenue over Grand Trunk RR?

The structure is 70 ft (21.3 m) long with a longest span of 64 ft (19.6 m) and a deck 70 ft wide.

Who owns College Avenue over Grand Trunk RR?

It is owned by the City or Municipal Highway Agency.