US Bridges

Nettleton RD over Little Tobacco River

Good

Gladwin County, Michigan · 155 Rods N of Youngs RD · Structure no. 000000000002935

Built
1994
31 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
80
2000 count
Owner
County
County Highway Agency

About this bridge

Nettleton RD over Little Tobacco River is a concrete culvert carrying Nettleton RD over Little Tobacco River in Gladwin County, Michigan. It was built in 1994, so it is 31 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 80 vehicles a day, roughly 3% of them trucks, projected to reach 112 by 2020. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNettleton RD
CrossesLittle Tobacco River
Location155 Rods N of Youngs RD
RouteCounty Highway 0
Coordinates44.00831, -84.39698
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2000)
Projected traffic112 by 2020
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Nettleton RD over Little Tobacco River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nettleton RD over Little Tobacco 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 March 2024.

How much traffic does Nettleton RD over Little Tobacco River carry?

About 80 vehicles per day (2000 count), of which roughly 3% are trucks.

How long is Nettleton RD over Little Tobacco River?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns Nettleton RD over Little Tobacco River?

It is owned by the County Highway Agency.