US Bridges

County Farm Road over Spaulding Extension

Good

Clinton County, Michigan · 0.3 MI S of Parks RD · Structure no. 000000000001957

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
695
2005 count
Owner
County
County Highway Agency

About this bridge

County Farm Road over Spaulding Extension is a prestressed concrete box beam or girders - multiple carrying County Farm Road over Spaulding Extension in Clinton County, Michigan. It was built in 2010, so it is 15 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 695 vehicles a day, projected to reach 1,255 by 2025. The structure is 52 ft (15.8 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Farm Road
CrossesSpaulding Extension
Location0.3 MI S of Parks RD
RouteCounty Highway 0
CountyClinton County
StateMichigan
Coordinates42.96668, -84.55265
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating78.9 US tons
Inventory rating60.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.8 m)
Longest span51 ft (15.4 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic695 (2005)
Projected traffic1,255 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 County Farm Road over Spaulding Extension built?

It was built in 2010, making it 15 years old in 2025.

What condition is County Farm Road over Spaulding Extension in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does County Farm Road over Spaulding Extension carry?

About 695 vehicles per day (2005 count).

How long is County Farm Road over Spaulding Extension?

The structure is 52 ft (15.8 m) long with a longest span of 51 ft (15.4 m) and a deck 31 ft wide.

Who owns County Farm Road over Spaulding Extension?

It is owned by the County Highway Agency.