US Bridges

Shaffer Road over Bluff Creek

PoorPosted for load

Midland County, Michigan · 0.35 MI E of Geneva RD · Structure no. 000000000006939

Built
1930
95 years old, rebuilt 1970
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
1,430
2021 count
Owner
County
County Highway Agency

About this bridge

Shaffer Road over Bluff Creek is a steel stringer/multi-beam or girder carrying Shaffer Road over Bluff Creek in Midland County, Michigan. It was built in 1930 and reconstructed in 1970, so it is 95 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 3 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. Its operating status is: posted for load restriction.

It carries about 1,430 vehicles a day, roughly 5% of them trucks, projected to reach 2,583 by 2041. The structure is 29 ft (8.8 m) long and 30 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesShaffer Road
CrossesBluff Creek
Location0.35 MI E of Geneva RD
RouteCounty Highway 5680
Coordinates43.75662, -84.53966
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating16.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,430 (2021)
Projected traffic2,583 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.3 mi (15 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shaffer Road over Bluff Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1970.

What condition is Shaffer Road over Bluff 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 August 2024.

How much traffic does Shaffer Road over Bluff Creek carry?

About 1,430 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Shaffer Road over Bluff Creek?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 30 ft wide.

Who owns Shaffer Road over Bluff Creek?

It is owned by the County Highway Agency.