US Bridges

Dodge Road over Armstrong Creek

Fair

Genesee County, Michigan · Bet Mckinley & Morrish · Structure no. 000000000012600

Built
1970
55 years old
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
35 ft
2 main spans
Daily traffic
661
2016 count
Owner
County
County Highway Agency

About this bridge

Dodge Road over Armstrong Creek is a steel culvert carrying Dodge Road over Armstrong Creek in Genesee County, Michigan. It was built in 1970, so it is 55 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 661 vehicles a day, roughly 3% of them trucks, projected to reach 1,194 by 2036. The structure is 35 ft (10.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDodge Road
CrossesArmstrong Creek
LocationBet Mckinley & Morrish
RouteCounty Highway 0
CountyGenesee County
StateMichigan
Coordinates43.14784, -83.84647
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.5 US tons
Inventory rating61.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length35 ft (10.6 m)
Longest span16 ft (4.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic661 (2016)
Projected traffic1,194 by 2036
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 Dodge Road over Armstrong Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Dodge 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 Dodge Road over Armstrong Creek carry?

About 661 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Dodge Road over Armstrong Creek?

The structure is 35 ft (10.6 m) long with a longest span of 16 ft (4.8 m).

Who owns Dodge Road over Armstrong Creek?

It is owned by the County Highway Agency.