US Bridges

US-31 NB over Walsh RD

Fair

Muskegon County, Michigan · 0.6 MI S of N JCT US-31BR · Structure no. 000000000007606

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
111 ft
3 main spans
Daily traffic
8,086
2007 count
Owner
State
State Highway Agency

About this bridge

US-31 NB over Walsh RD is a steel stringer/multi-beam or girder carrying US-31 NB over Walsh RD in Muskegon County, Michigan. It was built in 1965, so it is 60 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 8,086 vehicles a day, roughly 7% of them trucks, projected to reach 10,364 by 2018. The structure is 111 ft (33.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-31 NB
CrossesWalsh RD
Location0.6 MI S of N JCT US-31BR
RouteU.S. Route 31
Coordinates43.43417, -86.33603
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.9 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span41 ft (12.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,086 (2007)
Projected traffic10,364 by 2018
Trucks7%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-31 NB over Walsh RD built?

It was built in 1965, making it 60 years old in 2025.

What condition is US-31 NB over Walsh RD 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 July 2023.

How much traffic does US-31 NB over Walsh RD carry?

About 8,086 vehicles per day (2007 count), of which roughly 7% are trucks.

How long is US-31 NB over Walsh RD?

The structure is 111 ft (33.8 m) long with a longest span of 41 ft (12.5 m) and a deck 43 ft wide.

Who owns US-31 NB over Walsh RD?

It is owned by the State Highway Agency.