US Bridges

County Road B 9 over Ten Mile Creek

Good

Delta County, Michigan · 8 MI W of Escanaba · Structure no. 000000000002147

Built
2002
23 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

County Road B 9 over Ten Mile Creek is a prestressed concrete box beam or girders - multiple carrying County Road B 9 over Ten Mile Creek in Delta 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 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 26 vehicles a day, roughly 8% of them trucks, projected to reach 29 by 2042. The structure is 59 ft (18.1 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road B 9
CrossesTen Mile Creek
Location8 MI W of Escanaba
RouteCounty Highway 0
Coordinates45.76852, -87.26801
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length59 ft (18.1 m)
Longest span55 ft (16.9 m)
Deck width31 ft (9.5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic29 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 County Road B 9 over Ten Mile Creek built?

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

What condition is County Road B 9 over Ten Mile 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 July 2023.

How much traffic does County Road B 9 over Ten Mile Creek carry?

About 26 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is County Road B 9 over Ten Mile Creek?

The structure is 59 ft (18.1 m) long with a longest span of 55 ft (16.9 m) and a deck 31 ft wide.

Who owns County Road B 9 over Ten Mile Creek?

It is owned by the County Highway Agency.