US Bridges

E Duck Lake RD over Mason Creek

Good

Grand Traverse County, Michigan · 435 S of Mason RD · Structure no. 000000000014353

Built
2019
6 years old
Condition
Good
inspected August 2024
Type
Slab
Wood or Timber
Length
29 ft
1 main span
Daily traffic
928
2018 count
Owner
County
County Highway Agency

About this bridge

E Duck Lake RD over Mason Creek is a wood or timber slab carrying E Duck Lake RD over Mason Creek in Grand Traverse County, Michigan. It was built in 2019, so it is 6 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 928 vehicles a day, roughly 3% of them trucks, projected to reach 1,250 by 2038. The structure is 29 ft (8.7 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesE Duck Lake RD
CrossesMason Creek
Location435 S of Mason RD
RouteCounty Highway 0
Coordinates44.6314, -85.7213
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating93.3 US tons
Inventory rating72.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadGreater than HL 93
Structure length29 ft (8.7 m)
Longest span29 ft (8.7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic928 (2018)
Projected traffic1,250 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 E Duck Lake RD over Mason Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is E Duck Lake RD over Mason 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 August 2024.

How much traffic does E Duck Lake RD over Mason Creek carry?

About 928 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is E Duck Lake RD over Mason Creek?

The structure is 29 ft (8.7 m) long with a longest span of 29 ft (8.7 m) and a deck 36 ft wide.

Who owns E Duck Lake RD over Mason Creek?

It is owned by the County Highway Agency.