US Bridges

US-127 NB over M-143

Fair

Ingham County, Michigan · In Lansing (michigan Ave) · Structure no. 000000000003853

Built
1970
55 years old, rebuilt 2011
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
215 ft
2 main spans
Daily traffic
32,700
2011 count
Owner
State
State Highway Agency

About this bridge

US-127 NB over M-143 is a steel continuous stringer/multi-beam or girder carrying US-127 NB over M-143 in Ingham County, Michigan. It was built in 1970 and reconstructed in 2011, 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 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 32,700 vehicles a day, roughly 9% of them trucks, projected to reach 36,150 by 2031. The structure is 215 ft (65.5 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS-127 NB
CrossesM-143
LocationIn Lansing (michigan Ave)
RouteU.S. Route 127
CountyIngham County
StateMichigan
Coordinates42.73337, -84.51018
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
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 rating75.4 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length215 ft (65.5 m)
Longest span106 ft (32.2 m)
Deck width57 ft (17.3 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,700 (2011)
Projected traffic36,150 by 2031
Trucks9%
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 NB over M-143 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2011.

What condition is US-127 NB over M-143 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 NB over M-143 carry?

About 32,700 vehicles per day (2011 count), of which roughly 9% are trucks.

How long is US-127 NB over M-143?

The structure is 215 ft (65.5 m) long with a longest span of 106 ft (32.2 m) and a deck 57 ft wide.

Who owns US-127 NB over M-143?

It is owned by the State Highway Agency.