US Bridges

Ringle Road over Allen Extension Drain

Fair

Tuscola County, Michigan · Sec 33-34 Akron Twp · Structure no. 000000000010505

Built
1994
31 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
50 ft
2 main spans
Daily traffic
410
2009 count
Owner
County
County Highway Agency

About this bridge

Ringle Road over Allen Extension Drain is a prestressed concrete tee beam carrying Ringle Road over Allen Extension Drain in Tuscola 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 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.

It carries about 410 vehicles a day, projected to reach 750 by 2029. The structure is 50 ft (15.1 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRingle Road
CrossesAllen Extension Drain
LocationSec 33-34 Akron Twp
RouteCounty Highway 0
Coordinates43.57193, -83.52422
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating50 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length50 ft (15.1 m)
Longest span24 ft (7.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2009)
Projected traffic750 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Extension Drain built?

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

What condition is Ringle Road over Allen Extension Drain 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 April 2024.

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

About 410 vehicles per day (2009 count).

How long is Ringle Road over Allen Extension Drain?

The structure is 50 ft (15.1 m) long with a longest span of 24 ft (7.3 m) and a deck 36 ft wide.

Who owns Ringle Road over Allen Extension Drain?

It is owned by the County Highway Agency.