US Bridges

Blanchard RD over US-127

Fair

Isabella County, Michigan · 4.1 MI N of Gratiot Col · Structure no. 000000000004232

Built
1960
65 years old, rebuilt 1990
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
206 ft
4 main spans
Daily traffic
580
1974 count
Owner
State
State Highway Agency

About this bridge

Blanchard RD over US-127 is a steel stringer/multi-beam or girder carrying Blanchard RD over US-127 in Isabella County, Michigan. It was built in 1960 and reconstructed in 1990, so it is 65 years old, older 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 6 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 580 vehicles a day, projected to reach 580 by 1977. The structure is 206 ft (62.8 m) long and 33 ft wide.

CarriesBlanchard RD
CrossesUS-127
Location4.1 MI N of Gratiot Col
RouteCounty Highway 3716
Coordinates43.52417, -84.67667
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length206 ft (62.8 m)
Longest span71 ft (21.6 m)
Deck width33 ft (10 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (1974)
Projected traffic580 by 1977
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Blanchard RD over US-127 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1990.

What condition is Blanchard RD over US-127 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 2023.

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

About 580 vehicles per day (1974 count).

How long is Blanchard RD over US-127?

The structure is 206 ft (62.8 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.

Who owns Blanchard RD over US-127?

It is owned by the State Highway Agency.