US Bridges

Bi Road over Mud Creek

Good

Marquette County, Michigan · 0.9 MI N of Bae Road · Structure no. 000000000006572

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
80
2006 count
Owner
County
County Highway Agency

About this bridge

Bi Road over Mud Creek is a prestressed concrete box beam or girders - multiple carrying Bi Road over Mud Creek in Marquette County, Michigan. It was built in 2007, so it is 18 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 80 vehicles a day, projected to reach 100 by 2026. The structure is 36 ft (11 m) long and 34 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesBi Road
CrossesMud Creek
Location0.9 MI N of Bae Road
RouteCounty Highway 0
Coordinates46.47754, -87.22126
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (11 m)
Longest span32 ft (9.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2006)
Projected traffic100 by 2026
Trucks0%
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 Bi Road over Mud Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Bi Road over Mud 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 November 2023.

How much traffic does Bi Road over Mud Creek carry?

About 80 vehicles per day (2006 count).

How long is Bi Road over Mud Creek?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.

Who owns Bi Road over Mud Creek?

It is owned by the County Highway Agency.