US Bridges

US-31 Br (walton) over US-31

Fair

Berrien County, Michigan · 3.5 MI N of US-12 · Structure no. 000000000000899

Built
1995
30 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
405 ft
4 main spans
Daily traffic
15,718
2007 count
Owner
State
State Highway Agency

About this bridge

US-31 Br (walton) over US-31 is a steel continuous stringer/multi-beam or girder carrying US-31 Br (walton) over US-31 in Berrien County, Michigan. It was built in 1995, so it is 30 years old, younger 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 15,718 vehicles a day, roughly 12% of them trucks, projected to reach 16,395 by 2018. The structure is 405 ft (123.4 m) long and 51 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS-31 Br (walton)
CrossesUS-31
Location3.5 MI N of US-12
RouteU.S. Route 31
Coordinates41.8553, -86.31683
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
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 alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length405 ft (123.4 m)
Longest span154 ft (46.9 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,718 (2007)
Projected traffic16,395 by 2018
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-31 Br (walton) over US-31 built?

It was built in 1995, making it 30 years old in 2025.

What condition is US-31 Br (walton) over US-31 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 2024.

How much traffic does US-31 Br (walton) over US-31 carry?

About 15,718 vehicles per day (2007 count), of which roughly 12% are trucks.

How long is US-31 Br (walton) over US-31?

The structure is 405 ft (123.4 m) long with a longest span of 154 ft (46.9 m) and a deck 51 ft wide.

Who owns US-31 Br (walton) over US-31?

It is owned by the State Highway Agency.