US Bridges

Carroll Road over Elk Creek Drain

Good

Sanilac County, Michigan · Sec 17-20 Elk Twp · Structure no. 000000000009594

Built
1991
34 years old
Condition
Good
inspected July 2024
Type
Slab
Wood or Timber
Length
54 ft
3 main spans
Daily traffic
165
2010 count
Owner
County
County Highway Agency

About this bridge

Carroll Road over Elk Creek Drain is a wood or timber slab carrying Carroll Road over Elk Creek Drain in Sanilac County, Michigan. It was built in 1991, so it is 34 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 165 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2030. The structure is 54 ft (16.5 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCarroll Road
CrossesElk Creek Drain
LocationSec 17-20 Elk Twp
RouteCounty Highway 0
Coordinates43.28693, -82.8493
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 protection8 Very GoodNo problems noted.
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 rating76.1 US tons
Inventory rating53.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span26 ft (7.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2010)
Projected traffic300 by 2030
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Carroll Road over Elk Creek Drain built?

It was built in 1991, making it 34 years old in 2025.

What condition is Carroll Road over Elk Creek 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 Carroll Road over Elk Creek Drain carry?

About 165 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Carroll Road over Elk Creek Drain?

The structure is 54 ft (16.5 m) long with a longest span of 26 ft (7.9 m) and a deck 33 ft wide.

Who owns Carroll Road over Elk Creek Drain?

It is owned by the County Highway Agency.