US Bridges

Kirk Road over Br #1 Northwest Drain

Fair

Tuscola County, Michigan · Sec 17-18 Fairgrove Twp · Structure no. 000000000010584

Built
1972
53 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
295
2009 count
Owner
County
County Highway Agency

About this bridge

Kirk Road over Br #1 Northwest Drain is a prestressed concrete box beam or girders - multiple carrying Kirk Road over Br #1 Northwest Drain in Tuscola 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 5 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 295 vehicles a day, projected to reach 530 by 2029. The structure is 34 ft (10.4 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesKirk Road
CrossesBr #1 Northwest Drain
LocationSec 17-18 Fairgrove Twp
RouteCounty Highway 0
CountyTuscola County
StateMichigan
Coordinates43.52574, -83.5632
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.9 m)
Deck width36 ft (11.1 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic295 (2009)
Projected traffic530 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 Kirk Road over Br #1 Northwest Drain built?

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

What condition is Kirk Road over Br #1 Northwest 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 May 2024.

How much traffic does Kirk Road over Br #1 Northwest Drain carry?

About 295 vehicles per day (2009 count).

How long is Kirk Road over Br #1 Northwest Drain?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.9 m) and a deck 36 ft wide.

Who owns Kirk Road over Br #1 Northwest Drain?

It is owned by the County Highway Agency.