US Bridges

M-44 M-91 over Mid Mich RR & Flat River

Fair

Ionia County, Michigan · In Belding · Structure no. 000000000004014

Built
1950
75 years old, rebuilt 1998
Condition
Fair
inspected November 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
413 ft
4 main spans
Daily traffic
9,043
2007 count
Owner
State
State Highway Agency

About this bridge

M-44 M-91 over Mid Mich RR & Flat River is a steel continuous girder and floorbeam system carrying M-44 M-91 over Mid Mich RR & Flat River in Ionia County, Michigan. It was built in 1950 and reconstructed in 1998, so it is 75 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 9,043 vehicles a day, roughly 4% of them trucks, projected to reach 11,854 by 2018. The structure is 413 ft (125.9 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesM-44 M-91
CrossesMid Mich RR & Flat River
LocationIn Belding
RouteState Highway 44
CountyIonia County
StateMichigan
Coordinates43.08887, -85.23494
Functional classUrban Minor 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length413 ft (125.9 m)
Longest span130 ft (39.6 m)
Deck width42 ft (12.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,043 (2007)
Projected traffic11,854 by 2018
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-44 M-91 over Mid Mich RR & Flat River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1998.

What condition is M-44 M-91 over Mid Mich RR & Flat River 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 November 2024.

How much traffic does M-44 M-91 over Mid Mich RR & Flat River carry?

About 9,043 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is M-44 M-91 over Mid Mich RR & Flat River?

The structure is 413 ft (125.9 m) long with a longest span of 130 ft (39.6 m) and a deck 42 ft wide.

Who owns M-44 M-91 over Mid Mich RR & Flat River?

It is owned by the State Highway Agency.