US Bridges

M-14 (old) over Willow Creek

Good

Wayne County, Michigan · 2.7 MI E of Washtenaw Col · Structure no. 000000000011344

Built
2003
22 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
38 ft
1 main span
Daily traffic
13,944
2007 count
Owner
State
State Highway Agency

About this bridge

M-14 (old) over Willow Creek is a concrete culvert carrying M-14 (old) over Willow Creek in Wayne County, Michigan. It was built in 2003, so it is 22 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 13,944 vehicles a day, roughly 2% of them trucks, projected to reach 18,894 by 2018. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesM-14 (old)
CrossesWillow Creek
Location2.7 MI E of Washtenaw Col
RouteState Highway 14
CountyWayne County
StateMichigan
Coordinates42.35791, -83.50119
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length38 ft (11.6 m)
Longest span34 ft (10.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,944 (2007)
Projected traffic18,894 by 2018
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 M-14 (old) over Willow Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is M-14 (old) over Willow 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 2023.

How much traffic does M-14 (old) over Willow Creek carry?

About 13,944 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is M-14 (old) over Willow Creek?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.4 m).

Who owns M-14 (old) over Willow Creek?

It is owned by the State Highway Agency.