US Bridges

US-127 SB over S Br of Grand River

Fair

Jackson County, Michigan · 4.8 MI S of I-94 · Structure no. 000000000004439

Built
1959
66 years old, rebuilt 1996
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
11,135
2007 count
Owner
State
State Highway Agency

About this bridge

US-127 SB over S Br of Grand River is a steel stringer/multi-beam or girder carrying US-127 SB over S Br of Grand River in Jackson County, Michigan. It was built in 1959 and reconstructed in 1996, so it is 66 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 11,135 vehicles a day, roughly 10% of them trucks, projected to reach 11,449 by 2018. The structure is 59 ft (18 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-127 SB
CrossesS Br of Grand River
Location4.8 MI S of I-94
RouteU.S. Route 127
Coordinates42.21606, -84.36255
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length59 ft (18 m)
Longest span58 ft (17.6 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,135 (2007)
Projected traffic11,449 by 2018
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 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 SB over S Br of Grand River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1996.

What condition is US-127 SB over S Br of Grand River 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 2023.

How much traffic does US-127 SB over S Br of Grand River carry?

About 11,135 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is US-127 SB over S Br of Grand River?

The structure is 59 ft (18 m) long with a longest span of 58 ft (17.6 m) and a deck 45 ft wide.

Who owns US-127 SB over S Br of Grand River?

It is owned by the State Highway Agency.