US Bridges

US-131 over Mill Creek

Fair

Kent County, Michigan · 0.2 MI N of Walker · Structure no. 000000000004984

Built
1969
56 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
51,742
2007 count
Owner
State
State Highway Agency

About this bridge

US-131 over Mill Creek is a concrete continuous culvert carrying US-131 over Mill Creek in Kent County, Michigan. It was built in 1969, so it is 56 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 51,742 vehicles a day, roughly 7% of them trucks, projected to reach 75,750 by 2018. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-131
CrossesMill Creek
Location0.2 MI N of Walker
RouteU.S. Route 131
Coordinates43.03268, -85.66296
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,742 (2007)
Projected traffic75,750 by 2018
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-131 over Mill Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is US-131 over Mill Creek 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 October 2023.

How much traffic does US-131 over Mill Creek carry?

About 51,742 vehicles per day (2007 count), of which roughly 7% are trucks.

How long is US-131 over Mill Creek?

The structure is 23 ft (7 m) long with a longest span of 12 ft (3.6 m).

Who owns US-131 over Mill Creek?

It is owned by the State Highway Agency.