US Bridges

I-69 over Carmen Creek

Good

Genesee County, Michigan · 0.4 MI W of Hammerberg RD · Structure no. 000000000002600

Built
1970
55 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
63,225
2017 count
Owner
State
State Highway Agency

About this bridge

I-69 over Carmen Creek is a concrete culvert carrying I-69 over Carmen 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 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 63,225 vehicles a day, roughly 8% of them trucks, projected to reach 71,550 by 2037. The structure is 23 ft (7 m) long.

CarriesI-69
CrossesCarmen Creek
Location0.4 MI W of Hammerberg RD
RouteInterstate 69
Coordinates42.9924, -83.70999
Functional classUrban Principal Arterial - Interstate

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,225 (2017)
Projected traffic71,550 by 2037
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I-69 over Carmen Creek built?

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

What condition is I-69 over Carmen 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 December 2023.

How much traffic does I-69 over Carmen Creek carry?

About 63,225 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is I-69 over Carmen Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns I-69 over Carmen Creek?

It is owned by the State Highway Agency.