US Bridges

88th Avenue over Blendon and Olive Drain

Fair

Ottawa County, Michigan · Section 18 Blendon Twp · Structure no. 000000000008864

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

88th Avenue over Blendon and Olive Drain is a prestressed concrete box beam or girders - multiple carrying 88th Avenue over Blendon and Olive Drain in Ottawa 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 180 by 2040. The structure is 30 ft (9.1 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries88th Avenue
CrossesBlendon and Olive Drain
LocationSection 18 Blendon Twp
RouteCounty Highway 0
Coordinates42.90711, -86.00104
Functional classRural Local

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 inspectionNovember 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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.7 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width36 ft (11.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic180 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 88th Avenue over Blendon and Olive Drain built?

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

What condition is 88th Avenue over Blendon and Olive Drain 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 2024.

How much traffic does 88th Avenue over Blendon and Olive Drain carry?

About 100 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 88th Avenue over Blendon and Olive Drain?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 36 ft wide.

Who owns 88th Avenue over Blendon and Olive Drain?

It is owned by the County Highway Agency.