US Bridges

Warner Avenue over Muskegon River

Good

Newaygo County, Michigan · 8.5 S of Fremont · Structure no. 000000000007739

Built
1971
54 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
345 ft
4 main spans
Daily traffic
2,424
2022 count
Owner
County
County Highway Agency

About this bridge

Warner Avenue over Muskegon River is a steel continuous stringer/multi-beam or girder carrying Warner Avenue over Muskegon River in Newaygo County, Michigan. It was built in 1971, so it is 54 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 2,424 vehicles a day, roughly 3% of them trucks, projected to reach 2,958 by 2042. The structure is 345 ft (105.1 m) long and 36 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesWarner Avenue
CrossesMuskegon River
Location8.5 S of Fremont
RouteCounty Highway 6225
Coordinates43.34692, -85.93964
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: 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 rating29.7 US tons
Inventory rating22.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length345 ft (105.1 m)
Longest span96 ft (29.2 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,424 (2022)
Projected traffic2,958 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Warner Avenue over Muskegon River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Warner Avenue over Muskegon River 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 Warner Avenue over Muskegon River carry?

About 2,424 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Warner Avenue over Muskegon River?

The structure is 345 ft (105.1 m) long with a longest span of 96 ft (29.2 m) and a deck 36 ft wide.

Who owns Warner Avenue over Muskegon River?

It is owned by the County Highway Agency.