US Bridges

Ringle Road over Allen Extn Drain

Good

Tuscola County, Michigan · Sec 15-16 Fairgrove Twp · Structure no. 000000000010586

Built
1979
46 years old
Condition
Good
inspected May 2023
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
345
2009 count
Owner
County
County Highway Agency

About this bridge

Ringle Road over Allen Extn Drain is a steel culvert carrying Ringle Road over Allen Extn Drain in Tuscola County, Michigan. It was built in 1979, so it is 46 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 345 vehicles a day, projected to reach 520 by 2029. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRingle Road
CrossesAllen Extn Drain
LocationSec 15-16 Fairgrove Twp
RouteCounty Highway 0
CountyTuscola County
StateMichigan
Coordinates43.52481, -83.52356
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.8 US tons
Inventory rating44.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length22 ft (6.6 m)
Longest span22 ft (6.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic345 (2009)
Projected traffic520 by 2029
Trucks0%
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 Ringle Road over Allen Extn Drain built?

It was built in 1979, making it 46 years old in 2025.

What condition is Ringle Road over Allen Extn Drain 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 May 2023.

How much traffic does Ringle Road over Allen Extn Drain carry?

About 345 vehicles per day (2009 count).

How long is Ringle Road over Allen Extn Drain?

The structure is 22 ft (6.6 m) long with a longest span of 22 ft (6.6 m).

Who owns Ringle Road over Allen Extn Drain?

It is owned by the County Highway Agency.