US Bridges

Saiko Road over Herner Drain

PoorPosted for load

Midland County, Michigan · Mills Tw Sec 3/10 · Structure no. 000000000013923

Built
1970
55 years old
Condition
Poor
inspected September 2024
Type
Culvert
Steel
Length
27 ft
2 main spans
Daily traffic
50
2015 count
Owner
County
County Highway Agency

About this bridge

Saiko Road over Herner Drain is a steel culvert carrying Saiko Road over Herner Drain in Midland County, Michigan. It was built in 1970, so it is 55 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 58 by 2035. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSaiko Road
CrossesHerner Drain
LocationMills Tw Sec 3/10
RouteCounty Highway 0
CountyMidland County
StateMichigan
Coordinates43.81333, -84.21611
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating12.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2015)
Projected traffic58 by 2035
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 Saiko Road over Herner Drain built?

It was built in 1970, making it 55 years old in 2025.

What condition is Saiko Road over Herner Drain in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Saiko Road over Herner Drain carry?

About 50 vehicles per day (2015 count).

How long is Saiko Road over Herner Drain?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.8 m).

Who owns Saiko Road over Herner Drain?

It is owned by the County Highway Agency.