US Bridges

Gill RD over Carp Lake River

Good

Emmet County, Michigan · 1.2 MI W of US-31 · Structure no. 000000000014322

Built
2019
6 years old
Condition
Good
inspected August 2024
Type
Slab
Wood or Timber
Length
22 ft
1 main span
Daily traffic
289
2018 count
Owner
County
County Highway Agency

About this bridge

Gill RD over Carp Lake River is a wood or timber slab carrying Gill RD over Carp Lake River in Emmet 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 289 vehicles a day, projected to reach 332 by 2038. The structure is 22 ft (6.7 m) long and 37 ft wide.

Location

Open in Google Maps
CarriesGill RD
CrossesCarp Lake River
Location1.2 MI W of US-31
RouteCounty Highway 2476
CountyEmmet County
StateMichigan
Coordinates45.69452, -84.80481
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.5 US tons
Inventory rating52.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadGreater than HL 93
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width37 ft (11.3 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic289 (2018)
Projected traffic332 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Gill RD over Carp Lake River built?

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

What condition is Gill RD over Carp Lake 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 Gill RD over Carp Lake River carry?

About 289 vehicles per day (2018 count).

How long is Gill RD over Carp Lake River?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 37 ft wide.

Who owns Gill RD over Carp Lake River?

It is owned by the County Highway Agency.