US Bridges

Willow HWY over Carrier Creek

Good

Eaton County, Michigan · Delta Twp Sec 3 & 10 · Structure no. 000000000013404

Built
2004
21 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
5,817
2010 count
Owner
County
County Highway Agency

About this bridge

Willow HWY over Carrier Creek is a concrete culvert carrying Willow HWY over Carrier Creek in Eaton County, Michigan. It was built in 2004, so it is 21 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 5,817 vehicles a day, projected to reach 6,400 by 2030. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWillow HWY
CrossesCarrier Creek
LocationDelta Twp Sec 3 & 10
RouteCounty Highway 0
Coordinates42.75553, -84.65278
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,817 (2010)
Projected traffic6,400 by 2030
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Willow HWY over Carrier Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Willow HWY over Carrier 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 June 2023.

How much traffic does Willow HWY over Carrier Creek carry?

About 5,817 vehicles per day (2010 count).

How long is Willow HWY over Carrier Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m).

Who owns Willow HWY over Carrier Creek?

It is owned by the County Highway Agency.