US Bridges

Wilcox Bridge RD over East Branch of Au Sable

Good

Crawford County, Michigan · 2 MI N of Grayling · Structure no. 000000000002077

Built
2002
23 years old
Condition
Good
inspected October 2024
Type
Slab
Wood or Timber
Length
29 ft
1 main span
Daily traffic
250
2000 count
Owner
County
County Highway Agency

About this bridge

Wilcox Bridge RD over East Branch of Au Sable is a wood or timber slab carrying Wilcox Bridge RD over East Branch of Au Sable in Crawford County, Michigan. It was built in 2002, so it is 23 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 250 vehicles a day, projected to reach 375 by 2020. The structure is 29 ft (8.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesWilcox Bridge RD
CrossesEast Branch of Au Sable
Location2 MI N of Grayling
RouteCounty Highway 0
CountyCrawford County
StateMichigan
Coordinates44.70254, -84.68705
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2000)
Projected traffic375 by 2020
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wilcox Bridge RD over East Branch of Au Sable built?

It was built in 2002, making it 23 years old in 2025.

What condition is Wilcox Bridge RD over East Branch of Au Sable 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 Wilcox Bridge RD over East Branch of Au Sable carry?

About 250 vehicles per day (2000 count).

How long is Wilcox Bridge RD over East Branch of Au Sable?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Wilcox Bridge RD over East Branch of Au Sable?

It is owned by the County Highway Agency.