US Bridges

48th Ave over Deer Creek Tributary

Fair

Ottawa County, Michigan · 0.72 Miles N of Johnson · Structure no. 000000000008841

Built
1998
27 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
2,300
2020 count
Owner
County
County Highway Agency

About this bridge

48th Ave over Deer Creek Tributary is a prestressed concrete box beam or girders - multiple carrying 48th Ave over Deer Creek Tributary in Ottawa County, Michigan. It was built in 1998, so it is 27 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 2,300 vehicles a day, roughly 5% of them trucks, projected to reach 4,150 by 2040. The structure is 53 ft (16.2 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries48th Ave
CrossesDeer Creek Tributary
Location0.72 Miles N of Johnson
RouteCounty Highway 7077
Coordinates43.02606, -85.9065
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span52 ft (15.7 m)
Deck width40 ft (12.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2020)
Projected traffic4,150 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 48th Ave over Deer Creek Tributary built?

It was built in 1998, making it 27 years old in 2025.

What condition is 48th Ave over Deer Creek Tributary 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 48th Ave over Deer Creek Tributary carry?

About 2,300 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 48th Ave over Deer Creek Tributary?

The structure is 53 ft (16.2 m) long with a longest span of 52 ft (15.7 m) and a deck 40 ft wide.

Who owns 48th Ave over Deer Creek Tributary?

It is owned by the County Highway Agency.