US Bridges

Robinson RD over Maple River

Good

Emmet County, Michigan · 1.6 MI E of Pellston · Structure no. 000000000014591

Built
2022
3 years old
Condition
Good
inspected August 2024
Type
Slab
Wood or Timber
Length
28 ft
1 main span
Daily traffic
2,394
2021 count
Owner
County
County Highway Agency

About this bridge

Robinson RD over Maple River is a wood or timber slab carrying Robinson RD over Maple River in Emmet County, Michigan. It was built in 2022, so it is 3 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 2,394 vehicles a day, projected to reach 2,753 by 2041. The structure is 28 ft (8.5 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesRobinson RD
CrossesMaple River
Location1.6 MI E of Pellston
RouteCounty Highway 2450
CountyEmmet County
StateMichigan
Coordinates45.55106, -84.75138
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating91.4 US tons
Inventory rating70.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadGreater than HL 93
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,394 (2021)
Projected traffic2,753 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Robinson RD over Maple River built?

It was built in 2022, making it 3 years old in 2025.

What condition is Robinson RD over Maple River 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 Robinson RD over Maple River carry?

About 2,394 vehicles per day (2021 count).

How long is Robinson RD over Maple River?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 38 ft wide.

Who owns Robinson RD over Maple River?

It is owned by the County Highway Agency.