US Bridges

M-46 over White Creek #2

Poor

Tuscola County, Michigan · 2.8 MI East of Kingston · Structure no. 000000000010427

Built
1966
59 years old
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
27 ft
3 main spans
Daily traffic
2,547
2007 count
Owner
State
State Highway Agency

About this bridge

M-46 over White Creek #2 is a steel culvert carrying M-46 over White Creek #2 in Tuscola County, Michigan. It was built in 1966, so it is 59 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,547 vehicles a day, roughly 13% of them trucks, projected to reach 4,413 by 2018. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesM-46
CrossesWhite Creek #2
Location2.8 MI East of Kingston
RouteState Highway 46
CountyTuscola County
StateMichigan
Coordinates43.41389, -83.1321
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,547 (2007)
Projected traffic4,413 by 2018
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$57,000 (2050 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was M-46 over White Creek #2 built?

It was built in 1966, making it 59 years old in 2025.

What condition is M-46 over White Creek #2 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does M-46 over White Creek #2 carry?

About 2,547 vehicles per day (2007 count), of which roughly 13% are trucks.

How long is M-46 over White Creek #2?

The structure is 27 ft (8.2 m) long with a longest span of 9 ft (2.7 m).

Who owns M-46 over White Creek #2?

It is owned by the State Highway Agency.