US Bridges

Irish Road over Black Creek

Good

Genesee County, Michigan · Bet Court & Davison · Structure no. 000000000002753

Built
1984
41 years old
Condition
Good
inspected October 2024
Type
Culvert
Steel
Length
29 ft
1 main span
Daily traffic
18,011
2018 count
Owner
County
County Highway Agency

About this bridge

Irish Road over Black Creek is a steel culvert carrying Irish Road over Black Creek in Genesee County, Michigan. It was built in 1984, so it is 41 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 18,011 vehicles a day, roughly 5% of them trucks, projected to reach 32,530 by 2038. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesIrish Road
CrossesBlack Creek
LocationBet Court & Davison
RouteCounty Highway 2002
CountyGenesee County
StateMichigan
Coordinates43.02429, -83.556
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,011 (2018)
Projected traffic32,530 by 2038
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Irish Road over Black Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Irish Road over Black Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Irish Road over Black Creek carry?

About 18,011 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Irish Road over Black Creek?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m).

Who owns Irish Road over Black Creek?

It is owned by the County Highway Agency.