US Bridges

S County Line Road over Ferdon Drain

Good

Gratiot County, Michigan · Sec 33 Washington Twp · Structure no. 000000000003246

Built
1988
37 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
139
2005 count
Owner
County
County Highway Agency

About this bridge

S County Line Road over Ferdon Drain is a prestressed concrete box beam or girders - multiple carrying S County Line Road over Ferdon Drain in Gratiot County, Michigan. It was built in 1988, so it is 37 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 139 vehicles a day, projected to reach 166 by 2025. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS County Line Road
CrossesFerdon Drain
LocationSec 33 Washington Twp
RouteCounty Highway 0
Coordinates43.11774, -84.55992
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2005)
Projected traffic166 by 2025
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 S County Line Road over Ferdon Drain built?

It was built in 1988, making it 37 years old in 2025.

What condition is S County Line Road over Ferdon Drain 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 July 2024.

How much traffic does S County Line Road over Ferdon Drain carry?

About 139 vehicles per day (2005 count).

How long is S County Line Road over Ferdon Drain?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns S County Line Road over Ferdon Drain?

It is owned by the County Highway Agency.