US Bridges

48th Ave over I-96

Good

Ottawa County, Michigan · 6.5 MI NW of Kent CO Line · Structure no. 000000000008783

Built
1957
68 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
171 ft
4 main spans
Daily traffic
6,800
1996 count
Owner
State
State Highway Agency

About this bridge

48th Ave over I-96 is a steel stringer/multi-beam or girder carrying 48th Ave over I-96 in Ottawa County, Michigan. It was built in 1957, so it is 68 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,800 vehicles a day, roughly 1% of them trucks, projected to reach 7,820 by 2016. The structure is 171 ft (52.1 m) long and 33 ft wide.

Carries48th Ave
CrossesI-96
Location6.5 MI NW of Kent CO Line
RouteCounty Highway 7077
Coordinates43.05304, -85.90684
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.8 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length171 ft (52.1 m)
Longest span54 ft (16.4 m)
Deck width33 ft (10.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (1996)
Projected traffic7,820 by 2016
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 48th Ave over I-96 built?

It was built in 1957, making it 68 years old in 2025.

What condition is 48th Ave over I-96 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does 48th Ave over I-96 carry?

About 6,800 vehicles per day (1996 count), of which roughly 1% are trucks.

How long is 48th Ave over I-96?

The structure is 171 ft (52.1 m) long with a longest span of 54 ft (16.4 m) and a deck 33 ft wide.

Who owns 48th Ave over I-96?

It is owned by the State Highway Agency.