US Bridges

14 MI RD (M-57) over US-131

Fair

Kent County, Michigan · @ M-57 · Structure no. 000000000004997

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
364 ft
5 main spans
Daily traffic
16,071
2007 count
Owner
State
State Highway Agency

About this bridge

14 MI RD (M-57) over US-131 is a steel stringer/multi-beam or girder carrying 14 MI RD (M-57) over US-131 in Kent County, Michigan. It was built in 1969, so it is 56 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 16,071 vehicles a day, roughly 7% of them trucks, projected to reach 19,352 by 2018. The structure is 364 ft (110.9 m) long and 46 ft wide.

Location

Open in Google Maps
Carries14 MI RD (M-57)
CrossesUS-131
Location@ M-57
RouteState Highway 57
CountyKent County
StateMichigan
Coordinates43.17563, -85.57519
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2024
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating47.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length364 ft (110.9 m)
Longest span101 ft (30.7 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,071 (2007)
Projected traffic19,352 by 2018
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 14 MI RD (M-57) over US-131 built?

It was built in 1969, making it 56 years old in 2025.

What condition is 14 MI RD (M-57) over US-131 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 September 2024.

How much traffic does 14 MI RD (M-57) over US-131 carry?

About 16,071 vehicles per day (2007 count), of which roughly 7% are trucks.

How long is 14 MI RD (M-57) over US-131?

The structure is 364 ft (110.9 m) long with a longest span of 101 ft (30.7 m) and a deck 46 ft wide.

Who owns 14 MI RD (M-57) over US-131?

It is owned by the State Highway Agency.