US Bridges

Saganing Road over Saganing Creek

FairPosted for load

Bay County, Michigan · 0.25 MI E of Nine Mile · Structure no. 000000000000695

Built
1938
87 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
569
2000 count
Owner
County
County Highway Agency

About this bridge

Saganing Road over Saganing Creek is a steel stringer/multi-beam or girder carrying Saganing Road over Saganing Creek in Bay County, Michigan. It was built in 1938, 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. Its operating status is: posted for load restriction.

It carries about 569 vehicles a day, roughly 5% of them trucks, projected to reach 683 by 2020. The structure is 28 ft (8.5 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSaganing Road
CrossesSaganing Creek
Location0.25 MI E of Nine Mile
RouteCounty Highway 984
Coordinates43.92548, -84.05906
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic569 (2000)
Projected traffic683 by 2020
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$340,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Saganing Road over Saganing Creek built?

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

What condition is Saganing Road over Saganing 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 April 2024.

How much traffic does Saganing Road over Saganing Creek carry?

About 569 vehicles per day (2000 count), of which roughly 5% are trucks.

How long is Saganing Road over Saganing Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns Saganing Road over Saganing Creek?

It is owned by the County Highway Agency.