US Bridges

Leaton Road over Lewis Drain

Good

Isabella County, Michigan · 0.4M N SE Cor Sec 19 T15N · Structure no. 000000000004306

Built
2014
11 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
1,308
2013 count
Owner
County
County Highway Agency

About this bridge

Leaton Road over Lewis Drain is a prestressed concrete stringer/multi-beam or girder carrying Leaton Road over Lewis Drain in Isabella County, Michigan. It was built in 2014, so it is 11 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 1,308 vehicles a day, roughly 2% of them trucks, projected to reach 1,596 by 2033. The structure is 50 ft (15.2 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLeaton Road
CrossesLewis Drain
Location0.4M N SE Cor Sec 19 T15N
RouteCounty Highway 0
Coordinates43.67429, -84.70797
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.4 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length50 ft (15.2 m)
Longest span48 ft (14.5 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,308 (2013)
Projected traffic1,596 by 2033
Trucks2%
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 Leaton Road over Lewis Drain built?

It was built in 2014, making it 11 years old in 2025.

What condition is Leaton Road over Lewis 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 July 2024.

How much traffic does Leaton Road over Lewis Drain carry?

About 1,308 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Leaton Road over Lewis Drain?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.5 m) and a deck 40 ft wide.

Who owns Leaton Road over Lewis Drain?

It is owned by the County Highway Agency.