US Bridges

Thirteen Mile Road over Big Bear Creek

Good

Manistee County, Michigan · 5.0 Miles E of Bear Lake · Structure no. 000000000006455

Built
2013
12 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
1,841
2012 count
Owner
County
County Highway Agency

About this bridge

Thirteen Mile Road over Big Bear Creek is a prestressed concrete box beam or girders - multiple carrying Thirteen Mile Road over Big Bear Creek in Manistee County, Michigan. It was built in 2013, so it is 12 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 1,841 vehicles a day, roughly 10% of them trucks, projected to reach 2,000 by 2032. The structure is 50 ft (15.2 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesThirteen Mile Road
CrossesBig Bear Creek
Location5.0 Miles E of Bear Lake
RouteCounty Highway 5178
Coordinates44.42824, -86.04532
Functional classRural Major Collector

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating62.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length50 ft (15.2 m)
Longest span49 ft (14.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,841 (2012)
Projected traffic2,000 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Thirteen Mile Road over Big Bear Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Thirteen Mile Road over Big Bear 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 May 2024.

How much traffic does Thirteen Mile Road over Big Bear Creek carry?

About 1,841 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is Thirteen Mile Road over Big Bear Creek?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.8 m) and a deck 35 ft wide.

Who owns Thirteen Mile Road over Big Bear Creek?

It is owned by the County Highway Agency.