US Bridges

US-31 Br (58 Th) over US-31 NB

Fair

Allegan County, Michigan · In Holland · Structure no. 000000000000102

Built
1964
61 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
185 ft
3 main spans
Daily traffic
12,892
2020 count
Owner
State
State Highway Agency

About this bridge

US-31 Br (58 Th) over US-31 NB is a steel stringer/multi-beam or girder carrying US-31 Br (58 Th) over US-31 NB in Allegan County, Michigan. It was built in 1964, so it is 61 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 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 12,892 vehicles a day, roughly 4% of them trucks, projected to reach 14,826 by 2040. The structure is 185 ft (56.3 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS-31 Br (58 Th)
CrossesUS-31 NB
LocationIn Holland
RouteU.S. Route 31
CountyAllegan County
StateMichigan
Coordinates42.74993, -86.11937
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating78.6 US tons
Inventory rating46.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length185 ft (56.3 m)
Longest span81 ft (24.8 m)
Deck width66 ft (20.1 m)
Roadway width63 ft (19.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,892 (2020)
Projected traffic14,826 by 2040
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$372,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-31 Br (58 Th) over US-31 NB built?

It was built in 1964, making it 61 years old in 2025.

What condition is US-31 Br (58 Th) over US-31 NB 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 May 2023.

How much traffic does US-31 Br (58 Th) over US-31 NB carry?

About 12,892 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is US-31 Br (58 Th) over US-31 NB?

The structure is 185 ft (56.3 m) long with a longest span of 81 ft (24.8 m) and a deck 66 ft wide.

Who owns US-31 Br (58 Th) over US-31 NB?

It is owned by the State Highway Agency.