US Bridges

Old US-31(RIDGE ST over US-31

Fair

Ottawa County, Michigan · In Ferrysburg · Structure no. 000000000008702

Built
1957
68 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
1,100
1988 count
Owner
State
State Highway Agency

About this bridge

Old US-31(RIDGE ST over US-31 is a prestressed concrete box beam or girders - multiple carrying Old US-31(RIDGE ST over US-31 in Ottawa County, Michigan. It was built in 1957, so it is 68 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 1,100 vehicles a day, roughly 3% of them trucks, projected to reach 1,265 by 2008. The structure is 166 ft (50.5 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOld US-31(RIDGE ST
CrossesUS-31
LocationIn Ferrysburg
RouteCity Street 2029
CountyOttawa County
StateMichigan
Coordinates43.08481, -86.21497
Functional classUrban Collector

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.8 US tons
Inventory rating8.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length166 ft (50.5 m)
Longest span64 ft (19.4 m)
Deck width37 ft (11.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (1988)
Projected traffic1,265 by 2008
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old US-31(RIDGE ST over US-31 built?

It was built in 1957, making it 68 years old in 2025.

What condition is Old US-31(RIDGE ST over US-31 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 May 2024.

How much traffic does Old US-31(RIDGE ST over US-31 carry?

About 1,100 vehicles per day (1988 count), of which roughly 3% are trucks.

How long is Old US-31(RIDGE ST over US-31?

The structure is 166 ft (50.5 m) long with a longest span of 64 ft (19.4 m) and a deck 37 ft wide.

Who owns Old US-31(RIDGE ST over US-31?

It is owned by the State Highway Agency.