US Bridges

Airport Road over Sturgeon Creek

Fair

Midland County, Michigan · 0.1 MI W of Sturgeon Road · Structure no. 000000000007018

Built
1960
65 years old, rebuilt 2014
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
3,911
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Airport Road over Sturgeon Creek is a prestressed concrete stringer/multi-beam or girder carrying Airport Road over Sturgeon Creek in Midland County, Michigan. It was built in 1960 and reconstructed in 2014, so it is 65 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 6 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 3,911 vehicles a day, roughly 5% of them trucks, projected to reach 5,811 by 2033. The structure is 45 ft (13.7 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesAirport Road
CrossesSturgeon Creek
Location0.1 MI W of Sturgeon Road
RouteCity Street 0
CountyMidland County
StateMichigan
Coordinates43.65655, -84.26852
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92.8 US tons
Inventory rating71.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span42 ft (12.9 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,911 (2013)
Projected traffic5,811 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Airport Road over Sturgeon Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2014.

What condition is Airport 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 July 2024.

How much traffic does Airport Road over Sturgeon Creek carry?

About 3,911 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Airport Road over Sturgeon Creek?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.9 m) and a deck 42 ft wide.

Who owns Airport Road over Sturgeon Creek?

It is owned by the City or Municipal Highway Agency.