US Bridges

Ferris Road over Grill & Cone Drain

Fair

Gratiot County, Michigan · Sec 31-32 North Shade Twp · Structure no. 000000000003226

Built
1978
47 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
25 ft
1 main span
Daily traffic
123
2004 count
Owner
County
County Highway Agency

About this bridge

Ferris Road over Grill & Cone Drain is a steel culvert carrying Ferris Road over Grill & Cone Drain in Gratiot County, Michigan. It was built in 1978, so it is 47 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 123 vehicles a day, projected to reach 153 by 2024. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFerris Road
CrossesGrill & Cone Drain
LocationSec 31-32 North Shade Twp
RouteCounty Highway 0
Coordinates43.12225, -84.8183
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2004)
Projected traffic153 by 2024
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 Ferris Road over Grill & Cone Drain built?

It was built in 1978, making it 47 years old in 2025.

What condition is Ferris Road over Grill & Cone Drain 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 2024.

How much traffic does Ferris Road over Grill & Cone Drain carry?

About 123 vehicles per day (2004 count).

How long is Ferris Road over Grill & Cone Drain?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns Ferris Road over Grill & Cone Drain?

It is owned by the County Highway Agency.