US Bridges

Mckinley Road over Armstrong Creek

Fair

Genesee County, Michigan · Bet Dodge & Wilson · Structure no. 000000000012617

Built
1930
95 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,463
2017 count
Owner
County
County Highway Agency

About this bridge

Mckinley Road over Armstrong Creek is a concrete culvert carrying Mckinley Road over Armstrong Creek in Genesee County, Michigan. It was built in 1930, so it is 95 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 1,463 vehicles a day, roughly 3% of them trucks, projected to reach 2,642 by 2037. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMckinley Road
CrossesArmstrong Creek
LocationBet Dodge & Wilson
RouteCounty Highway 725
CountyGenesee County
StateMichigan
Coordinates43.15928, -83.86347
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.6 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 traffic1,463 (2017)
Projected traffic2,642 by 2037
Trucks3%
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 Mckinley Road over Armstrong Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Mckinley Road over Armstrong Creek 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 November 2024.

How much traffic does Mckinley Road over Armstrong Creek carry?

About 1,463 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Mckinley Road over Armstrong Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m).

Who owns Mckinley Road over Armstrong Creek?

It is owned by the County Highway Agency.