US Bridges

US-31 SB over Wayne Road

Good

Oceana County, Michigan · 2.5 Miles NW of Hart · Structure no. 000000000008353

Built
1977
48 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
93 ft
1 main span
Daily traffic
4,171
2007 count
Owner
State
State Highway Agency

About this bridge

US-31 SB over Wayne Road is a steel stringer/multi-beam or girder carrying US-31 SB over Wayne Road in Oceana County, Michigan. It was built in 1977, so it is 48 years old, younger 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 4,171 vehicles a day, roughly 11% of them trucks, projected to reach 5,668 by 2018. The structure is 93 ft (28.3 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-31 SB
CrossesWayne Road
Location2.5 Miles NW of Hart
RouteU.S. Route 31
Coordinates43.73397, -86.39482
Functional classRural Principal Arterial - Other

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.6 US tons
Inventory rating58.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length93 ft (28.3 m)
Longest span93 ft (28.3 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,171 (2007)
Projected traffic5,668 by 2018
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$35,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-31 SB over Wayne Road built?

It was built in 1977, making it 48 years old in 2025.

What condition is US-31 SB over Wayne Road 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 November 2023.

How much traffic does US-31 SB over Wayne Road carry?

About 4,171 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is US-31 SB over Wayne Road?

The structure is 93 ft (28.3 m) long with a longest span of 93 ft (28.3 m) and a deck 44 ft wide.

Who owns US-31 SB over Wayne Road?

It is owned by the State Highway Agency.