US Bridges

US-127 SB over Kalamazoo ST

Fair

Ingham County, Michigan · In Lansing · Structure no. 000000000003846

Built
1970
55 years old, rebuilt 1998
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
139 ft
3 main spans
Daily traffic
23,815
2007 count
Owner
State
State Highway Agency

About this bridge

US-127 SB over Kalamazoo ST is a steel stringer/multi-beam or girder carrying US-127 SB over Kalamazoo ST in Ingham County, Michigan. It was built in 1970 and reconstructed in 1998, 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 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 23,815 vehicles a day, roughly 6% of them trucks, projected to reach 27,592 by 2015. The structure is 139 ft (42.4 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-127 SB
CrossesKalamazoo ST
LocationIn Lansing
RouteU.S. Route 127
Coordinates42.72997, -84.51063
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span84 ft (25.5 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,815 (2007)
Projected traffic27,592 by 2015
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-127 SB over Kalamazoo ST built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1998.

What condition is US-127 SB over Kalamazoo ST 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 Kalamazoo ST carry?

About 23,815 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is US-127 SB over Kalamazoo ST?

The structure is 139 ft (42.4 m) long with a longest span of 84 ft (25.5 m) and a deck 57 ft wide.

Who owns US-127 SB over Kalamazoo ST?

It is owned by the State Highway Agency.