US Bridges

Gardner Road over Mud Creek

Good

Ontonagon County, Michigan · 6 MI S of Mass · Structure no. 000000000008526

Built
1992
33 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
150
1997 count
Owner
County
County Highway Agency

About this bridge

Gardner Road over Mud Creek is a prestressed concrete box beam or girders - multiple carrying Gardner Road over Mud Creek in Ontonagon County, Michigan. It was built in 1992, so it is 33 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 150 vehicles a day, projected to reach 300 by 2017. The structure is 60 ft (18.2 m) long and 31 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesGardner Road
CrossesMud Creek
Location6 MI S of Mass
RouteCounty Highway 0
Coordinates46.67578, -89.06251
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating49.1 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length60 ft (18.2 m)
Longest span60 ft (18.2 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1997)
Projected traffic300 by 2017
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Gardner Road over Mud Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Gardner 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 October 2023.

How much traffic does Gardner Road over Mud Creek carry?

About 150 vehicles per day (1997 count).

How long is Gardner Road over Mud Creek?

The structure is 60 ft (18.2 m) long with a longest span of 60 ft (18.2 m) and a deck 31 ft wide.

Who owns Gardner Road over Mud Creek?

It is owned by the County Highway Agency.