US Bridges

Broadbridge Road over Beaubien Creek Drain

Fair

St. Clair County, Michigan · Sec. 18 Cottrellville Twp · Structure no. 000000000010157

Built
1972
53 years old
Condition
Fair
inspected April 2024
Type
Slab
Wood or Timber
Length
30 ft
1 main span
Daily traffic
290
1994 count
Owner
County
County Highway Agency

About this bridge

Broadbridge Road over Beaubien Creek Drain is a wood or timber slab carrying Broadbridge Road over Beaubien Creek Drain in St. Clair County, Michigan. It was built in 1972, so it is 53 years old, older 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 290 vehicles a day, roughly 3% of them trucks, projected to reach 360 by 2014. The structure is 30 ft (9.1 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBroadbridge Road
CrossesBeaubien Creek Drain
LocationSec. 18 Cottrellville Twp
RouteCounty Highway 0
Coordinates42.68839, -82.58925
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating57.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width34 ft (10.4 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (1994)
Projected traffic360 by 2014
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$20,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Broadbridge Road over Beaubien Creek Drain built?

It was built in 1972, making it 53 years old in 2025.

What condition is Broadbridge Road over Beaubien Creek Drain 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 2024.

How much traffic does Broadbridge Road over Beaubien Creek Drain carry?

About 290 vehicles per day (1994 count), of which roughly 3% are trucks.

How long is Broadbridge Road over Beaubien Creek Drain?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 34 ft wide.

Who owns Broadbridge Road over Beaubien Creek Drain?

It is owned by the County Highway Agency.