US Bridges

36th Street over Ravine

Fair

Kent County, Michigan · 0.1 Mile E of Kraft Ave · Structure no. 000000000013199

Built
2004
21 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
21,000
2004 count
Owner
County
County Highway Agency

About this bridge

36th Street over Ravine is a prestressed concrete stringer/multi-beam or girder carrying 36th Street over Ravine in Kent County, Michigan. It was built in 2004, so it is 21 years old, younger 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 6 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 21,000 vehicles a day, roughly 10% of them trucks, projected to reach 21,000 by 2020. The structure is 120 ft (36.6 m) long and 87 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries36th Street
CrossesRavine
Location0.1 Mile E of Kraft Ave
RouteCounty Highway 0
Coordinates42.89839, -85.52698
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating55.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length120 ft (36.6 m)
Longest span115 ft (35.1 m)
Deck width87 ft (26.6 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2004)
Projected traffic21,000 by 2020
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 36th Street over Ravine built?

It was built in 2004, making it 21 years old in 2025.

What condition is 36th Street over Ravine 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 November 2023.

How much traffic does 36th Street over Ravine carry?

About 21,000 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is 36th Street over Ravine?

The structure is 120 ft (36.6 m) long with a longest span of 115 ft (35.1 m) and a deck 87 ft wide.

Who owns 36th Street over Ravine?

It is owned by the County Highway Agency.