US Bridges

Lumber Jack Road over Pine River

Good

Gratiot County, Michigan · Sec 19-30 Sumner Twp · Structure no. 000000000003153

Built
2019
6 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
915
2018 count
Owner
County
County Highway Agency

About this bridge

Lumber Jack Road over Pine River is a prestressed concrete stringer/multi-beam or girder carrying Lumber Jack Road over Pine River in Gratiot 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 915 vehicles a day, roughly 5% of them trucks, projected to reach 1,360 by 2038. The structure is 110 ft (33.5 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLumber Jack Road
CrossesPine River
LocationSec 19-30 Sumner Twp
RouteCounty Highway 2901
CountyGratiot County
StateMichigan
Coordinates43.32073, -84.83566
Functional classRural Major Collector

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 inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating106.5 US tons
Inventory rating72.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length110 ft (33.5 m)
Longest span107 ft (32.7 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic915 (2018)
Projected traffic1,360 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$410,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lumber Jack Road over Pine River built?

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

What condition is Lumber Jack Road over Pine 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 June 2023.

How much traffic does Lumber Jack Road over Pine River carry?

About 915 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Lumber Jack Road over Pine River?

The structure is 110 ft (33.5 m) long with a longest span of 107 ft (32.7 m) and a deck 36 ft wide.

Who owns Lumber Jack Road over Pine River?

It is owned by the County Highway Agency.