US Bridges

US-127 Br over US-127

Fair

Clinton County, Michigan · 1.0 N of ST Johns · Structure no. 000000000001843

Built
1994
31 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
374 ft
5 main spans
Daily traffic
7,954
2007 count
Owner
State
State Highway Agency

About this bridge

US-127 Br over US-127 is a prestressed concrete stringer/multi-beam or girder carrying US-127 Br over US-127 in Clinton County, Michigan. It was built in 1994, so it is 31 years old, younger 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 5 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 7,954 vehicles a day, roughly 4% of them trucks, projected to reach 9,244 by 2018. The structure is 374 ft (113.9 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-127 Br
CrossesUS-127
Location1.0 N of ST Johns
RouteU.S. Route 127
Coordinates43.02938, -84.56188
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length374 ft (113.9 m)
Longest span102 ft (31.2 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,954 (2007)
Projected traffic9,244 by 2018
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-127 Br over US-127 built?

It was built in 1994, making it 31 years old in 2025.

What condition is US-127 Br 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 June 2024.

How much traffic does US-127 Br over US-127 carry?

About 7,954 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is US-127 Br over US-127?

The structure is 374 ft (113.9 m) long with a longest span of 102 ft (31.2 m) and a deck 47 ft wide.

Who owns US-127 Br over US-127?

It is owned by the State Highway Agency.