US Bridges

Grant Road over Drain #135

Good

Gratiot County, Michigan · Sec 35 Newark Twp · Structure no. 000000000003139

Built
2008
17 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
395
2003 count
Owner
County
County Highway Agency

About this bridge

Grant Road over Drain #135 is a concrete culvert carrying Grant Road over Drain #135 in Gratiot County, Michigan. It was built in 2008, so it is 17 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 395 vehicles a day, projected to reach 535 by 2023. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesGrant Road
CrossesDrain #135
LocationSec 35 Newark Twp
RouteCounty Highway 0
CountyGratiot County
StateMichigan
Coordinates43.20458, -84.6225
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic395 (2003)
Projected traffic535 by 2023
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$150,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Grant Road over Drain #135 built?

It was built in 2008, making it 17 years old in 2025.

What condition is Grant Road over Drain #135 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 Grant Road over Drain #135 carry?

About 395 vehicles per day (2003 count).

How long is Grant Road over Drain #135?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns Grant Road over Drain #135?

It is owned by the County Highway Agency.