US Bridges

M-13 over White Feather Creek

Fair

Bay County, Michigan · 3.0 MI N of Pinconning · Structure no. 000000000000593

Built
1938
87 years old, rebuilt 1952
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
8,300
2015 count
Owner
State
State Highway Agency

About this bridge

M-13 over White Feather Creek is a concrete tee beam carrying M-13 over White Feather Creek in Bay County, Michigan. It was built in 1938 and reconstructed in 1952, so it is 87 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 5 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 8,300 vehicles a day, roughly 4% of them trucks, projected to reach 9,545 by 2035. The structure is 27 ft (8.2 m) long and 73 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-13
CrossesWhite Feather Creek
Location3.0 MI N of Pinconning
RouteState Highway 13
CountyBay County
StateMichigan
Coordinates43.89681, -83.96613
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating30.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span22 ft (6.8 m)
Deck width73 ft (22.2 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2015)
Projected traffic9,545 by 2035
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$24,000
NavigationNo navigation control on waterway

Frequently asked questions

When was M-13 over White Feather Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1952.

What condition is M-13 over White Feather 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 July 2023.

How much traffic does M-13 over White Feather Creek carry?

About 8,300 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is M-13 over White Feather Creek?

The structure is 27 ft (8.2 m) long with a longest span of 22 ft (6.8 m) and a deck 73 ft wide.

Who owns M-13 over White Feather Creek?

It is owned by the State Highway Agency.