US Bridges

Shell RD over Little Sugar River

FairPosted for load

Gladwin County, Michigan · 20 Rods S of Southwell RD · Structure no. 000000000002934

Built
1976
49 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
125
2000 count
Owner
County
County Highway Agency

About this bridge

Shell RD over Little Sugar River is a concrete culvert carrying Shell RD over Little Sugar River in Gladwin County, Michigan. It was built in 1976, so it is 49 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 175 by 2020. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesShell RD
CrossesLittle Sugar River
Location20 Rods S of Southwell RD
RouteCounty Highway 0
CountyGladwin County
StateMichigan
Coordinates44.04936, -84.44728
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.3 US tons
Inventory rating16.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2000)
Projected traffic175 by 2020
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Shell RD over Little Sugar River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Shell RD over Little Sugar River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does Shell RD over Little Sugar River carry?

About 125 vehicles per day (2000 count), of which roughly 5% are trucks.

How long is Shell RD over Little Sugar River?

The structure is 25 ft (7.6 m) long with a longest span of 13 ft (3.9 m).

Who owns Shell RD over Little Sugar River?

It is owned by the County Highway Agency.