US Bridges

Onondaga Road over Grand River

Fair

Ingham County, Michigan · North Limits of Onondaga · Structure no. 000000000003873

Built
2002
23 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Concrete
Length
183 ft
3 main spans
Daily traffic
2,200
2019 count
Owner
County
County Highway Agency

About this bridge

Onondaga Road over Grand River is a concrete box beam or girders - single or spread carrying Onondaga Road over Grand River in Ingham County, Michigan. It was built in 2002, so it is 23 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,200 vehicles a day, projected to reach 2,690 by 2039. The structure is 183 ft (55.8 m) long and 42 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesOnondaga Road
CrossesGrand River
LocationNorth Limits of Onondaga
RouteCounty Highway 3313
Coordinates42.44507, -84.56046
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating84 US tons
Inventory rating50.3 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span61 ft (18.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2019)
Projected traffic2,690 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$29,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Onondaga Road over Grand River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Onondaga Road over Grand River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Onondaga Road over Grand River carry?

About 2,200 vehicles per day (2019 count).

How long is Onondaga Road over Grand River?

The structure is 183 ft (55.8 m) long with a longest span of 61 ft (18.6 m) and a deck 42 ft wide.

Who owns Onondaga Road over Grand River?

It is owned by the County Highway Agency.