US Bridges

Rooksby Street over Black Creek

Fair

Kent County, Michigan · 0.2 MI W of Harvard Ave · Structure no. 000000000005176

Built
1973
52 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
44 ft
3 main spans
Daily traffic
61
2005 count
Owner
County
County Highway Agency

About this bridge

Rooksby Street over Black Creek is a steel culvert carrying Rooksby Street over Black Creek in Kent County, Michigan. It was built in 1973, so it is 52 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 61 vehicles a day, projected to reach 100 by 2025. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRooksby Street
CrossesBlack Creek
Location0.2 MI W of Harvard Ave
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates43.27168, -85.41532
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length44 ft (13.4 m)
Longest span16 ft (4.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61 (2005)
Projected traffic100 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Rooksby Street over Black Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Rooksby Street 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 Rooksby Street over Black Creek carry?

About 61 vehicles per day (2005 count).

How long is Rooksby Street over Black Creek?

The structure is 44 ft (13.4 m) long with a longest span of 16 ft (4.8 m).

Who owns Rooksby Street over Black Creek?

It is owned by the County Highway Agency.