US Bridges

M-13 over King Drain

Good

Saginaw County, Michigan · 1.8 MI S of M-46 · Structure no. 000000000009083

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
7,000
2010 count
Owner
State
State Highway Agency

About this bridge

M-13 over King Drain is a concrete culvert carrying M-13 over King Drain in Saginaw County, Michigan. It was built in 2010, so it is 15 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,000 vehicles a day, roughly 7% of them trucks, projected to reach 7,700 by 2030. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM-13
CrossesKing Drain
Location1.8 MI S of M-46
RouteState Highway 13
Coordinates43.38492, -83.95539
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating48.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length34 ft (10.5 m)
Longest span31 ft (9.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2010)
Projected traffic7,700 by 2030
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-13 over King Drain built?

It was built in 2010, making it 15 years old in 2025.

What condition is M-13 over King Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does M-13 over King Drain carry?

About 7,000 vehicles per day (2010 count), of which roughly 7% are trucks.

How long is M-13 over King Drain?

The structure is 34 ft (10.5 m) long with a longest span of 31 ft (9.5 m).

Who owns M-13 over King Drain?

It is owned by the State Highway Agency.