US Bridges

S Jackson RD over Grand River

Good

Jackson County, Michigan · In Liberty · Structure no. 000000000004496

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
1,409
2021 count
Owner
County
County Highway Agency

About this bridge

S Jackson RD over Grand River is a concrete culvert carrying S Jackson RD over Grand River in Jackson County, Michigan. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,409 vehicles a day, projected to reach 1,720 by 2041. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesS Jackson RD
CrossesGrand River
LocationIn Liberty
RouteCounty Highway 3853
CountyJackson County
StateMichigan
Coordinates42.10112, -84.40245
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 15 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating71.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,409 (2021)
Projected traffic1,720 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$625,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S Jackson RD over Grand River built?

It was built in 2023, making it 2 years old in 2025.

What condition is S Jackson RD 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 January 2024.

How much traffic does S Jackson RD over Grand River carry?

About 1,409 vehicles per day (2021 count).

How long is S Jackson RD over Grand River?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m).

Who owns S Jackson RD over Grand River?

It is owned by the County Highway Agency.