US Bridges

Swazye Road over East Br Willow River Drn

Good

Huron County, Michigan · Sec 21-28 Bloomfield Twp · Structure no. 000000000003562

Built
1994
31 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
52
2009 count
Owner
County
County Highway Agency

About this bridge

Swazye Road over East Br Willow River Drn is a concrete culvert carrying Swazye Road over East Br Willow River Drn in Huron County, Michigan. It was built in 1994, so it is 31 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 52 vehicles a day, projected to reach 90 by 2029. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSwazye Road
CrossesEast Br Willow River Drn
LocationSec 21-28 Bloomfield Twp
RouteCounty Highway 0
Coordinates43.88586, -82.83545
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2009)
Projected traffic90 by 2029
Trucks—
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 Swazye Road over East Br Willow River Drn built?

It was built in 1994, making it 31 years old in 2025.

What condition is Swazye Road over East Br Willow River Drn 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 October 2023.

How much traffic does Swazye Road over East Br Willow River Drn carry?

About 52 vehicles per day (2009 count).

How long is Swazye Road over East Br Willow River Drn?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m).

Who owns Swazye Road over East Br Willow River Drn?

It is owned by the County Highway Agency.