US Bridges

17 Mile RD over Black Creek

Fair

Kent County, Michigan · 300 Ft E of Larsen Ave · Structure no. 000000000005174

Built
1928
97 years old, rebuilt 1966
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
1,100
2005 count
Owner
County
County Highway Agency

About this bridge

17 Mile RD over Black Creek is a prestressed concrete box beam or girders - multiple carrying 17 Mile RD over Black Creek in Kent County, Michigan. It was built in 1928 and reconstructed in 1966, so it is 97 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, projected to reach 1,870 by 2025. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries17 Mile RD
CrossesBlack Creek
Location300 Ft E of Larsen Ave
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates43.22116, -85.32846
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionSeptember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating66.1 US tons
Inventory rating39.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2005)
Projected traffic1,870 by 2025
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 17 Mile RD over Black Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1966.

What condition is 17 Mile RD over Black Creek 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 17 Mile RD over Black Creek carry?

About 1,100 vehicles per day (2005 count).

How long is 17 Mile RD over Black Creek?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns 17 Mile RD over Black Creek?

It is owned by the County Highway Agency.