US Bridges

Columbia Road over Grand River

Good

Ingham County, Michigan · 8 Miles W of Mason · Structure no. 000000000003862

Built
2017
8 years old
Condition
Good
inspected July 2023
Type
Truss - Thru
Steel
Length
165 ft
1 main span
Daily traffic
4,300
2019 count
Owner
County
County Highway Agency

About this bridge

Columbia Road over Grand River is a steel truss - thru carrying Columbia Road over Grand River in Ingham County, Michigan. It was built in 2017, so it is 8 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 4,300 vehicles a day, roughly 4% of them trucks, projected to reach 5,250 by 2039. The structure is 165 ft (50.3 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesColumbia Road
CrossesGrand River
Location8 Miles W of Mason
RouteCounty Highway 3350
CountyIngham County
StateMichigan
Coordinates42.58216, -84.60113
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length165 ft (50.3 m)
Longest span160 ft (48.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2019)
Projected traffic5,250 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$492,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Columbia Road over Grand River built?

It was built in 2017, making it 8 years old in 2025.

What condition is Columbia Road over Grand River 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 July 2023.

How much traffic does Columbia Road over Grand River carry?

About 4,300 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Columbia Road over Grand River?

The structure is 165 ft (50.3 m) long with a longest span of 160 ft (48.8 m) and a deck 35 ft wide.

Who owns Columbia Road over Grand River?

It is owned by the County Highway Agency.