US Bridges

US-127 SB Ramp over Ramp to I-496 WB

Good

Ingham County, Michigan · In Lansing · Structure no. 000000000003844

Built
2023
2 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
273 ft
3 main spans
Daily traffic
15,850
2019 count
Owner
State
State Highway Agency

About this bridge

US-127 SB Ramp over Ramp to I-496 WB is a steel continuous stringer/multi-beam or girder carrying US-127 SB Ramp over Ramp to I-496 WB in Ingham County, Michigan. It was built in 2023, so it is 2 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,850 vehicles a day, roughly 5% of them trucks, projected to reach 18,228 by 2039. The structure is 273 ft (83.2 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesUS-127 SB Ramp
CrossesRamp to I-496 WB
LocationIn Lansing
RouteU.S. Route 127
CountyIngham County
StateMichigan
Coordinates42.72864, -84.511
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 23 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length273 ft (83.2 m)
Longest span137 ft (41.7 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,850 (2019)
Projected traffic18,228 by 2039
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Ramp over Ramp to I-496 WB built?

It was built in 2023, making it 2 years old in 2025.

What condition is US-127 SB Ramp over Ramp to I-496 WB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does US-127 SB Ramp over Ramp to I-496 WB carry?

About 15,850 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is US-127 SB Ramp over Ramp to I-496 WB?

The structure is 273 ft (83.2 m) long with a longest span of 137 ft (41.7 m) and a deck 33 ft wide.

Who owns US-127 SB Ramp over Ramp to I-496 WB?

It is owned by the State Highway Agency.