US Bridges

Harrington Road over Elk Creek Drain

Good

Sanilac County, Michigan · Sec 20-29 Elk Twp · Structure no. 000000000009592

Built
1991
34 years old
Condition
Good
inspected June 2024
Type
Slab
Wood or Timber
Length
52 ft
3 main spans
Daily traffic
300
2010 count
Owner
County
County Highway Agency

About this bridge

Harrington Road over Elk Creek Drain is a wood or timber slab carrying Harrington 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 300 vehicles a day, roughly 3% of them trucks, projected to reach 540 by 2030. The structure is 52 ft (15.8 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHarrington Road
CrossesElk Creek Drain
LocationSec 20-29 Elk Twp
RouteCounty Highway 0
Coordinates43.27222, -82.8608
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 inspectionJune 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating60.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span24 ft (7.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2010)
Projected traffic540 by 2030
Trucks3%
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 Harrington Road over Elk Creek Drain built?

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

What condition is Harrington 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 June 2024.

How much traffic does Harrington Road over Elk Creek Drain carry?

About 300 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is Harrington Road over Elk Creek Drain?

The structure is 52 ft (15.8 m) long with a longest span of 24 ft (7.3 m) and a deck 34 ft wide.

Who owns Harrington Road over Elk Creek Drain?

It is owned by the County Highway Agency.