US Bridges

12 Mile RD over Rogue River

FairPosted for load

Kent County, Michigan · 0.07 MI W of Summit Ave · Structure no. 000000000005101

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
131 ft
3 main spans
Daily traffic
2,598
2004 count
Owner
County
County Highway Agency

About this bridge

12 Mile RD over Rogue River is a prestressed concrete box beam or girders - multiple carrying 12 Mile RD over Rogue River in Kent County, Michigan. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.

It carries about 2,598 vehicles a day, projected to reach 4,420 by 2024. The structure is 131 ft (39.9 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries12 Mile RD
CrossesRogue River
Location0.07 MI W of Summit Ave
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates43.14648, -85.56442
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating23.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length131 ft (39.9 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,598 (2004)
Projected traffic4,420 by 2024
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 12 Mile RD over Rogue River built?

It was built in 1972, making it 53 years old in 2025.

What condition is 12 Mile RD over Rogue 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 October 2024.

How much traffic does 12 Mile RD over Rogue River carry?

About 2,598 vehicles per day (2004 count).

How long is 12 Mile RD over Rogue River?

The structure is 131 ft (39.9 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns 12 Mile RD over Rogue River?

It is owned by the County Highway Agency.