US Bridges

Kirby Road over Huntoon Lake Drain

Fair

Ingham County, Michigan · 0.2 Miles NW of Leslie · Structure no. 000000000003861

Built
1974
51 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
700
2006 count
Owner
County
County Highway Agency

About this bridge

Kirby Road over Huntoon Lake Drain is a prestressed concrete box beam or girders - multiple carrying Kirby Road over Huntoon Lake Drain in Ingham County, Michigan. It was built in 1974, so it is 51 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 700 vehicles a day, projected to reach 796 by 2027. The structure is 24 ft (7.3 m) long and 36 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesKirby Road
CrossesHuntoon Lake Drain
Location0.2 Miles NW of Leslie
RouteCounty Highway 0
CountyIngham County
StateMichigan
Coordinates42.45946, -84.41949
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
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating79.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width36 ft (11.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2006)
Projected traffic796 by 2027
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$68,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kirby Road over Huntoon Lake Drain built?

It was built in 1974, making it 51 years old in 2025.

What condition is Kirby Road over Huntoon Lake 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 2024.

How much traffic does Kirby Road over Huntoon Lake Drain carry?

About 700 vehicles per day (2006 count).

How long is Kirby Road over Huntoon Lake Drain?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 36 ft wide.

Who owns Kirby Road over Huntoon Lake Drain?

It is owned by the County Highway Agency.