US Bridges

Loomis Road over Allen Drain

Good

Tuscola County, Michigan · Sec 29-32 Akron Twp · Structure no. 000000000010519

Built
1999
26 years old
Condition
Good
inspected April 2023
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
115
2009 count
Owner
County
County Highway Agency

About this bridge

Loomis Road over Allen Drain is a prestressed concrete tee beam carrying Loomis Road over Allen Drain in Tuscola County, Michigan. It was built in 1999, so it is 26 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 115 vehicles a day, projected to reach 210 by 2029. The structure is 60 ft (18.3 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesLoomis Road
CrossesAllen Drain
LocationSec 29-32 Akron Twp
RouteCounty Highway 0
CountyTuscola County
StateMichigan
Coordinates43.6674, -83.5662
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.5 US tons
Inventory rating49.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.3 m)
Longest span57 ft (17.5 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2009)
Projected traffic210 by 2029
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$245,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Loomis Road over Allen Drain built?

It was built in 1999, making it 26 years old in 2025.

What condition is Loomis Road over Allen 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 April 2023.

How much traffic does Loomis Road over Allen Drain carry?

About 115 vehicles per day (2009 count).

How long is Loomis Road over Allen Drain?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.5 m) and a deck 32 ft wide.

Who owns Loomis Road over Allen Drain?

It is owned by the County Highway Agency.