US Bridges

M-43 (w Saginaw) over Carrier Creek

Poor

Eaton County, Michigan · 0.4 MI W of Creyts Road · Structure no. 000000000013990

Built
1956
69 years old
Condition
Poor
inspected May 2024
Type
Culvert
Steel
Length
36 ft
3 main spans
Daily traffic
26,200
2017 count
Owner
State
State Highway Agency

About this bridge

M-43 (w Saginaw) over Carrier Creek is a steel culvert carrying M-43 (w Saginaw) over Carrier Creek in Eaton County, Michigan. It was built in 1956, so it is 69 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 4 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 26,200 vehicles a day, projected to reach 100 by 2037. The structure is 36 ft (11.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesM-43 (w Saginaw)
CrossesCarrier Creek
Location0.4 MI W of Creyts Road
RouteState Highway 43
CountyEaton County
StateMichigan
Coordinates42.74106, -84.64998
Functional classUrban Other Principal Arterial

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 20
Structure length36 ft (11.1 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,200 (2017)
Projected traffic100 by 2037
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 M-43 (w Saginaw) over Carrier Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is M-43 (w Saginaw) over Carrier Creek 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 May 2024.

How much traffic does M-43 (w Saginaw) over Carrier Creek carry?

About 26,200 vehicles per day (2017 count).

How long is M-43 (w Saginaw) over Carrier Creek?

The structure is 36 ft (11.1 m) long with a longest span of 10 ft (2.9 m).

Who owns M-43 (w Saginaw) over Carrier Creek?

It is owned by the State Highway Agency.