US Bridges

Darbee Road over Wiscoggin Drain

Fair

Tuscola County, Michigan · Sec 18-19 Almer Twp · Structure no. 000000000010544

Built
1979
46 years old
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
60
2009 count
Owner
County
County Highway Agency

About this bridge

Darbee Road over Wiscoggin Drain is a steel culvert carrying Darbee Road over Wiscoggin Drain in Tuscola County, Michigan. It was built in 1979, so it is 46 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 60 vehicles a day, projected to reach 110 by 2029. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesDarbee Road
CrossesWiscoggin Drain
LocationSec 18-19 Almer Twp
RouteCounty Highway 0
CountyTuscola County
StateMichigan
Coordinates43.53814, -83.45728
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2009)
Projected traffic110 by 2029
Trucks0%
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 Darbee Road over Wiscoggin Drain built?

It was built in 1979, making it 46 years old in 2025.

What condition is Darbee Road over Wiscoggin 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 June 2023.

How much traffic does Darbee Road over Wiscoggin Drain carry?

About 60 vehicles per day (2009 count).

How long is Darbee Road over Wiscoggin Drain?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.6 m).

Who owns Darbee Road over Wiscoggin Drain?

It is owned by the County Highway Agency.