US Bridges

Middle Road over Greenbriar (pvt Drive)

Good

Emmet County, Michigan · W Traverse Twp Sec 3 34 · Structure no. 000000000013555

Built
2018
7 years old
Condition
Good
inspected August 2024
Type
Slab
Wood or Timber
Length
40 ft
1 main span
Daily traffic
1,044
2016 count
Owner
County
County Highway Agency

About this bridge

Middle Road over Greenbriar (pvt Drive) is a wood or timber slab carrying Middle Road over Greenbriar (pvt Drive) in Emmet County, Michigan. It was built in 2018, so it is 7 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 1,044 vehicles a day, roughly 5% of them trucks, projected to reach 1,352 by 2036. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMiddle Road
CrossesGreenbriar (pvt Drive)
LocationW Traverse Twp Sec 3 34
RouteCounty Highway 0
Coordinates45.46442, -85.02894
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.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.8 US tons
Inventory rating60 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadGreater than HL 93
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,044 (2016)
Projected traffic1,352 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Middle Road over Greenbriar (pvt Drive) built?

It was built in 2018, making it 7 years old in 2025.

What condition is Middle Road over Greenbriar (pvt Drive) 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 Middle Road over Greenbriar (pvt Drive) carry?

About 1,044 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Middle Road over Greenbriar (pvt Drive)?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 32 ft wide.

Who owns Middle Road over Greenbriar (pvt Drive)?

It is owned by the County Highway Agency.