US Bridges

Mlk Jr DR over Grand River

Poor

Jackson County, Michigan · Cbd Conn. to Cooper St.Br · Structure no. 000000000004545

Built
1903
122 years old, rebuilt 1967
Condition
Poor
inspected October 2024
Type
Arch - Deck
Concrete
Length
43 ft
1 main span
Daily traffic
6,343
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mlk Jr DR over Grand River is a concrete arch - deck carrying Mlk Jr DR over Grand River in Jackson County, Michigan. It was built in 1903 and reconstructed in 1967, so it is 122 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,343 vehicles a day, roughly 2% of them trucks, projected to reach 8,543 by 2030. The structure is 43 ft (13 m) long and 66 ft wide.

Location

Open in Google Maps
CarriesMlk Jr DR
CrossesGrand River
LocationCbd Conn. to Cooper St.Br
RouteCity Street 0
CountyJackson County
StateMichigan
Coordinates42.24774, -84.40346
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length43 ft (13 m)
Longest span39 ft (12 m)
Deck width66 ft (20 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,343 (2010)
Projected traffic8,543 by 2030
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$650,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mlk Jr DR over Grand River built?

It was built in 1903, making it 122 years old in 2025. It was reconstructed in 1967.

What condition is Mlk Jr DR over Grand River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Mlk Jr DR over Grand River carry?

About 6,343 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is Mlk Jr DR over Grand River?

The structure is 43 ft (13 m) long with a longest span of 39 ft (12 m) and a deck 66 ft wide.

Who owns Mlk Jr DR over Grand River?

It is owned by the City or Municipal Highway Agency.