US Bridges

M-43 EB (saginaw) over US-127

Fair

Ingham County, Michigan · In Lansing · Structure no. 000000000003850

Built
1970
55 years old, rebuilt 1998
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
2 main spans
Daily traffic
21,429
2007 count
Owner
State
State Highway Agency

About this bridge

M-43 EB (saginaw) over US-127 is a steel stringer/multi-beam or girder carrying M-43 EB (saginaw) over US-127 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 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 21,429 vehicles a day, roughly 2% of them trucks, projected to reach 32,520 by 2018. The structure is 149 ft (45.4 m) long and 66 ft wide.

Location

Open in Google Maps
CarriesM-43 EB (saginaw)
CrossesUS-127
LocationIn Lansing
RouteState Highway 43
CountyIngham County
StateMichigan
Coordinates42.74091, -84.51007
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.6 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length149 ft (45.4 m)
Longest span74 ft (22.5 m)
Deck width66 ft (20.2 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,429 (2007)
Projected traffic32,520 by 2018
Trucks2%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 M-43 EB (saginaw) over US-127 built?

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

What condition is M-43 EB (saginaw) 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 2023.

How much traffic does M-43 EB (saginaw) over US-127 carry?

About 21,429 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is M-43 EB (saginaw) over US-127?

The structure is 149 ft (45.4 m) long with a longest span of 74 ft (22.5 m) and a deck 66 ft wide.

Who owns M-43 EB (saginaw) over US-127?

It is owned by the State Highway Agency.