US Bridges

US-127 over Blanchard Drain

Poor

Hillsdale County, Michigan · 2.3 MI N Ohio State Line · Structure no. 000000000003271

Built
1948
77 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
348 ft
1 main span
Daily traffic
3,056
2007 count
Owner
State
State Highway Agency

About this bridge

US-127 over Blanchard Drain is a steel stringer/multi-beam or girder carrying US-127 over Blanchard Drain in Hillsdale County, Michigan. It was built in 1948, so it is 77 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 4 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.

It carries about 3,056 vehicles a day, roughly 17% of them trucks, projected to reach 3,603 by 2018. The structure is 348 ft (106.1 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS-127
CrossesBlanchard Drain
Location2.3 MI N Ohio State Line
RouteU.S. Route 127
Coordinates41.73975, -84.36083
Functional classRural Principal Arterial - Other

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length348 ft (106.1 m)
Longest span33 ft (10.2 m)
Deck width43 ft (13.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,056 (2007)
Projected traffic3,603 by 2018
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US-127 over Blanchard Drain built?

It was built in 1948, making it 77 years old in 2025.

What condition is US-127 over Blanchard 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 May 2024.

How much traffic does US-127 over Blanchard Drain carry?

About 3,056 vehicles per day (2007 count), of which roughly 17% are trucks.

How long is US-127 over Blanchard Drain?

The structure is 348 ft (106.1 m) long with a longest span of 33 ft (10.2 m) and a deck 43 ft wide.

Who owns US-127 over Blanchard Drain?

It is owned by the State Highway Agency.