US Bridges

W 12th ST over Carman Creek

Good

Genesee County, Michigan · In City of Flint · Structure no. 000000000002828

Built
2020
5 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
7,699
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

W 12th ST over Carman Creek is a concrete culvert carrying W 12th ST over Carman Creek in Genesee County, Michigan. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,699 vehicles a day, roughly 10% of them trucks, projected to reach 9,394 by 2038. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW 12th ST
CrossesCarman Creek
LocationIn City of Flint
RouteCity Street 2002
Coordinates42.99212, -83.70958
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating64.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,699 (2018)
Projected traffic9,394 by 2038
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 W 12th ST over Carman Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is W 12th ST over Carman 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 W 12th ST over Carman Creek carry?

About 7,699 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is W 12th ST over Carman Creek?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m).

Who owns W 12th ST over Carman Creek?

It is owned by the City or Municipal Highway Agency.