US Bridges

M-143 E Mich Ave over Museum Drive

Fair

Ingham County, Michigan · 0.3 MI E of the Capitol · Structure no. 000000000003694

Built
1987
38 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
8,882
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

M-143 E Mich Ave over Museum Drive is a steel stringer/multi-beam or girder carrying M-143 E Mich Ave over Museum Drive in Ingham County, Michigan. It was built in 1987, so it is 38 years old, younger 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 8,882 vehicles a day, roughly 3% of them trucks, projected to reach 10,910 by 2018. The structure is 39 ft (11.8 m) long and 117 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesM-143 E Mich Ave
CrossesMuseum Drive
Location0.3 MI E of the Capitol
RouteState Highway 143
CountyIngham County
StateMichigan
Coordinates42.73363, -84.54805
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length39 ft (11.8 m)
Longest span37 ft (11.2 m)
Deck width117 ft (35.7 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,882 (2007)
Projected traffic10,910 by 2018
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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-143 E Mich Ave over Museum Drive built?

It was built in 1987, making it 38 years old in 2025.

What condition is M-143 E Mich Ave over Museum Drive 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 July 2024.

How much traffic does M-143 E Mich Ave over Museum Drive carry?

About 8,882 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is M-143 E Mich Ave over Museum Drive?

The structure is 39 ft (11.8 m) long with a longest span of 37 ft (11.2 m) and a deck 117 ft wide.

Who owns M-143 E Mich Ave over Museum Drive?

It is owned by the City or Municipal Highway Agency.