US Bridges

South County Line over Cedar Drain

Good

Isabella County, Michigan · Sec 35 S Fremont Twp · Structure no. 000000000004357

Built
2004
21 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
39 ft
1 main span
Daily traffic
47
2002 count
Owner
County
County Highway Agency

About this bridge

South County Line over Cedar Drain is a concrete culvert carrying South County Line over Cedar Drain in Isabella County, Michigan. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 47 vehicles a day, projected to reach 55 by 2023. The structure is 39 ft (11.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSouth County Line
CrossesCedar Drain
LocationSec 35 S Fremont Twp
RouteCounty Highway 0
Coordinates43.46616, -84.87822
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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
Structure length39 ft (11.8 m)
Longest span36 ft (11 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2002)
Projected traffic55 by 2023
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 South County Line over Cedar Drain built?

It was built in 2004, making it 21 years old in 2025.

What condition is South County Line over Cedar 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 June 2024.

How much traffic does South County Line over Cedar Drain carry?

About 47 vehicles per day (2002 count).

How long is South County Line over Cedar Drain?

The structure is 39 ft (11.8 m) long with a longest span of 36 ft (11 m).

Who owns South County Line over Cedar Drain?

It is owned by the County Highway Agency.