US Bridges

Petrieville Road over Grand River

Fair

Eaton County, Michigan · 2 MI N E of Eaton Rapids · Structure no. 000000000002395

Built
1986
39 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
136 ft
3 main spans
Daily traffic
950
2014 count
Owner
County
County Highway Agency

About this bridge

Petrieville Road over Grand River is a prestressed concrete box beam or girders - multiple carrying Petrieville Road over Grand River in Eaton County, Michigan. It was built in 1986, so it is 39 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 950 vehicles a day, projected to reach 215 by 2013. The structure is 136 ft (41.4 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPetrieville Road
CrossesGrand River
Location2 MI N E of Eaton Rapids
RouteCounty Highway 0
CountyEaton County
StateMichigan
Coordinates42.53564, -84.62361
Functional classRural Local

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
ScourScour critical; foundations unstable for calculated scour conditions
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 rating51 US tons
Inventory rating38.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length136 ft (41.4 m)
Longest span62 ft (18.9 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2014)
Projected traffic215 by 2013
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Petrieville Road over Grand River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Petrieville 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 Petrieville Road over Grand River carry?

About 950 vehicles per day (2014 count).

How long is Petrieville Road over Grand River?

The structure is 136 ft (41.4 m) long with a longest span of 62 ft (18.9 m) and a deck 34 ft wide.

Who owns Petrieville Road over Grand River?

It is owned by the County Highway Agency.