US Bridges

Abbotsford Road over Mill Creek

Fair

St. Clair County, Michigan · Sec. 17 Clyde Twp. · Structure no. 000000000010066

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
960
1994 count
Owner
County
County Highway Agency

About this bridge

Abbotsford Road over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Abbotsford Road over Mill Creek in St. Clair County, Michigan. It was built in 1989, so it is 36 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 960 vehicles a day, roughly 5% of them trucks, projected to reach 990 by 2014. The structure is 73 ft (22.1 m) long and 37 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesAbbotsford Road
CrossesMill Creek
LocationSec. 17 Clyde Twp.
RouteCounty Highway 7773
CountySt. Clair County
StateMichigan
Coordinates43.04494, -82.61394
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating76.8 US tons
Inventory rating14.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length73 ft (22.1 m)
Longest span70 ft (21.4 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (1994)
Projected traffic990 by 2014
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Abbotsford Road over Mill Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Abbotsford Road over Mill Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Abbotsford Road over Mill Creek carry?

About 960 vehicles per day (1994 count), of which roughly 5% are trucks.

How long is Abbotsford Road over Mill Creek?

The structure is 73 ft (22.1 m) long with a longest span of 70 ft (21.4 m) and a deck 37 ft wide.

Who owns Abbotsford Road over Mill Creek?

It is owned by the County Highway Agency.