US Bridges

M-33 over Klacking Creek

Fair

Ogemaw County, Michigan · 3.9 MI N of M-55 · Structure no. 000000000008440

Built
1936
89 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
4,423
2007 count
Owner
State
State Highway Agency

About this bridge

M-33 over Klacking Creek is a concrete tee beam carrying M-33 over Klacking Creek in Ogemaw County, Michigan. It was built in 1936, so it is 89 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 4,423 vehicles a day, roughly 11% of them trucks, projected to reach 4,610 by 2018. The structure is 27 ft (8.2 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesM-33
CrossesKlacking Creek
Location3.9 MI N of M-55
RouteState Highway 33
CountyOgemaw County
StateMichigan
Coordinates44.33118, -84.12568
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,423 (2007)
Projected traffic4,610 by 2018
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-33 over Klacking Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is M-33 over Klacking 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 May 2023.

How much traffic does M-33 over Klacking Creek carry?

About 4,423 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is M-33 over Klacking Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 38 ft wide.

Who owns M-33 over Klacking Creek?

It is owned by the State Highway Agency.