US Bridges

Brown Road over Constant Durussel Drain

FairPosted for load

Bay County, Michigan · At Briggs RD · Structure no. 000000000000732

Built
1948
77 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
121
2000 count
Owner
County
County Highway Agency

About this bridge

Brown Road over Constant Durussel Drain is a steel stringer/multi-beam or girder carrying Brown Road over Constant Durussel Drain in Bay County, Michigan. It was built in 1948, so it is 77 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 121 vehicles a day, roughly 10% of them trucks, projected to reach 145 by 2020. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBrown Road
CrossesConstant Durussel Drain
LocationAt Briggs RD
RouteCounty Highway 0
CountyBay County
StateMichigan
Coordinates43.50785, -83.70889
Functional classRural Minor 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121 (2000)
Projected traffic145 by 2020
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$330,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Brown Road over Constant Durussel Drain built?

It was built in 1948, making it 77 years old in 2025.

What condition is Brown Road over Constant Durussel 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 Brown Road over Constant Durussel Drain carry?

About 121 vehicles per day (2000 count), of which roughly 10% are trucks.

How long is Brown Road over Constant Durussel Drain?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 32 ft wide.

Who owns Brown Road over Constant Durussel Drain?

It is owned by the County Highway Agency.