US Bridges

Perrine Road over Sturgeon Creek

FairPosted for load

Midland County, Michigan · 0.25 MI N of Letts RD · Structure no. 000000000006998

Built
1932
93 years old, rebuilt 2001
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
112 ft
1 main span
Daily traffic
126
2021 count
Owner
County
County Highway Agency

About this bridge

Perrine Road over Sturgeon Creek is a steel truss - thru carrying Perrine Road over Sturgeon Creek in Midland County, Michigan. It was built in 1932 and reconstructed in 2001, so it is 93 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 126 vehicles a day, roughly 5% of them trucks, projected to reach 187 by 2041. The structure is 112 ft (34.1 m) long and 40 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

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CarriesPerrine Road
CrossesSturgeon Creek
Location0.25 MI N of Letts RD
RouteCounty Highway 0
CountyMidland County
StateMichigan
Coordinates43.67282, -84.2771
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating15.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span109 ft (33.1 m)
Deck width40 ft (12.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2021)
Projected traffic187 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 Perrine Road over Sturgeon Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2001.

What condition is Perrine Road over Sturgeon 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 September 2023.

How much traffic does Perrine Road over Sturgeon Creek carry?

About 126 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Perrine Road over Sturgeon Creek?

The structure is 112 ft (34.1 m) long with a longest span of 109 ft (33.1 m) and a deck 40 ft wide.

Who owns Perrine Road over Sturgeon Creek?

It is owned by the County Highway Agency.