US Bridges

Robinson Road over Maple River

Good

Emmet County, Michigan · 0.58 MI W of US-31 · Structure no. 000000000013906

Built
2015
10 years old
Condition
Good
inspected August 2024
Type
Slab
Wood or Timber
Length
66 ft
3 main spans
Daily traffic
1,066
2011 count
Owner
County
County Highway Agency

About this bridge

Robinson Road over Maple River is a wood or timber slab carrying Robinson Road over Maple River in Emmet County, Michigan. It was built in 2015, so it is 10 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 1,066 vehicles a day, roughly 5% of them trucks, projected to reach 1,584 by 2031. The structure is 66 ft (20.1 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRobinson Road
CrossesMaple River
Location0.58 MI W of US-31
RouteCounty Highway 2450
CountyEmmet County
StateMichigan
Coordinates45.55094, -84.7965
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating51.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadGreater than HL 93
Structure length66 ft (20.1 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,066 (2011)
Projected traffic1,584 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Road over Maple River built?

It was built in 2015, making it 10 years old in 2025.

What condition is Robinson Road 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 Road over Maple River carry?

About 1,066 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Robinson Road over Maple River?

The structure is 66 ft (20.1 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns Robinson Road over Maple River?

It is owned by the County Highway Agency.