US Bridges

Alger Road over Drain #1

Good

Gratiot County, Michigan · Sec 15-16 Newark Twp · Structure no. 000000000003160

Built
1986
39 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
1,145
2003 count
Owner
County
County Highway Agency

About this bridge

Alger Road over Drain #1 is a concrete slab carrying Alger Road over Drain #1 in Gratiot 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 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 1,145 vehicles a day, projected to reach 1,545 by 2023. The structure is 42 ft (12.8 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAlger Road
CrossesDrain #1
LocationSec 15-16 Newark Twp
RouteCounty Highway 0
Coordinates43.25194, -84.66009
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width38 ft (11.5 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,145 (2003)
Projected traffic1,545 by 2023
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Alger Road over Drain #1 built?

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

What condition is Alger Road over Drain #1 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 Alger Road over Drain #1 carry?

About 1,145 vehicles per day (2003 count).

How long is Alger Road over Drain #1?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 38 ft wide.

Who owns Alger Road over Drain #1?

It is owned by the County Highway Agency.