US Bridges

Wacousta Road over Cox Drain (browns Cr)

Fair

Clinton County, Michigan · 1/4 MI S of Island RD · Structure no. 000000000001923

Built
1991
34 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
441
2011 count
Owner
County
County Highway Agency

About this bridge

Wacousta Road over Cox Drain (browns Cr) is a prestressed concrete box beam or girders - multiple carrying Wacousta Road over Cox Drain (browns Cr) in Clinton 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 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 441 vehicles a day, roughly 2% of them trucks, projected to reach 796 by 2031. The structure is 38 ft (11.5 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWacousta Road
CrossesCox Drain (browns Cr)
Location1/4 MI S of Island RD
RouteCounty Highway 1929
Coordinates43.08561, -84.70002
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.7 US tons
Inventory rating70 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.5 m)
Longest span38 ft (11.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic441 (2011)
Projected traffic796 by 2031
Trucks2%
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 Wacousta Road over Cox Drain (browns Cr) built?

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

What condition is Wacousta Road over Cox Drain (browns Cr) 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 October 2024.

How much traffic does Wacousta Road over Cox Drain (browns Cr) carry?

About 441 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Wacousta Road over Cox Drain (browns Cr)?

The structure is 38 ft (11.5 m) long with a longest span of 38 ft (11.5 m) and a deck 34 ft wide.

Who owns Wacousta Road over Cox Drain (browns Cr)?

It is owned by the County Highway Agency.