US Bridges

Carson Road over Northwest Drain Outlet 3

FairPosted for load

Tuscola County, Michigan · Sec 11-14 Wisner Twp · Structure no. 000000000010672

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
75
2009 count
Owner
County
County Highway Agency

About this bridge

Carson Road over Northwest Drain Outlet 3 is a steel stringer/multi-beam or girder carrying Carson Road over Northwest Drain Outlet 3 in Tuscola County, Michigan. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 135 by 2029. The structure is 37 ft (11.3 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCarson Road
CrossesNorthwest Drain Outlet 3
LocationSec 11-14 Wisner Twp
RouteCounty Highway 0
CountyTuscola County
StateMichigan
Coordinates43.62344, -83.60425
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length37 ft (11.3 m)
Longest span35 ft (10.8 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2009)
Projected traffic135 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 Carson Road over Northwest Drain Outlet 3 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Carson Road over Northwest Drain Outlet 3 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 Carson Road over Northwest Drain Outlet 3 carry?

About 75 vehicles per day (2009 count).

How long is Carson Road over Northwest Drain Outlet 3?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.8 m) and a deck 27 ft wide.

Who owns Carson Road over Northwest Drain Outlet 3?

It is owned by the County Highway Agency.