US Bridges

E CR 638 over Grand Lake Outlet

Good

Presque Isle County, Michigan · 0.75 MI E of US-23 · Structure no. 000000000013943

Built
2018
7 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
718
2017 count
Owner
County
County Highway Agency

About this bridge

E CR 638 over Grand Lake Outlet is a prestressed concrete box beam or girders - multiple carrying E CR 638 over Grand Lake Outlet in Presque Isle 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 718 vehicles a day, roughly 8% of them trucks, projected to reach 870 by 2037. The structure is 32 ft (9.8 m) long and 38 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesE CR 638
CrossesGrand Lake Outlet
Location0.75 MI E of US-23
RouteCounty Highway 638
CountyPresque Isle County
StateMichigan
Coordinates45.33087, -83.56011
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 inspectionNovember 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.3 US tons
Inventory rating62.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic718 (2017)
Projected traffic870 by 2037
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$747,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E CR 638 over Grand Lake Outlet built?

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

What condition is E CR 638 over Grand Lake Outlet 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 November 2023.

How much traffic does E CR 638 over Grand Lake Outlet carry?

About 718 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is E CR 638 over Grand Lake Outlet?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 38 ft wide.

Who owns E CR 638 over Grand Lake Outlet?

It is owned by the County Highway Agency.