US Bridges

Dye Road over Pirnie Creek

FairPosted for load

Genesee County, Michigan · Between Calkins & Beecher · Structure no. 000000000002784

Built
1930
95 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
5,057
2012 count
Owner
County
County Highway Agency

About this bridge

Dye Road over Pirnie Creek is a concrete slab carrying Dye Road over Pirnie 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 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 5,057 vehicles a day, roughly 5% of them trucks, projected to reach 9,133 by 2032. The structure is 26 ft (7.9 m) long and 31 ft wide.

CarriesDye Road
CrossesPirnie Creek
LocationBetween Calkins & Beecher
RouteCounty Highway 0
Coordinates43.02447, -83.7832
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,057 (2012)
Projected traffic9,133 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Dye Road over Pirnie Creek built?

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

What condition is Dye Road over Pirnie 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 Dye Road over Pirnie Creek carry?

About 5,057 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Dye Road over Pirnie Creek?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 31 ft wide.

Who owns Dye Road over Pirnie Creek?

It is owned by the County Highway Agency.