US Bridges

Juddville Road over Porter Creek

Good

Shiawassee County, Michigan · 7 MI Northeast of Owosso · Structure no. 000000000009797

Built
1998
27 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
1,414
2011 count
Owner
County
County Highway Agency

About this bridge

Juddville Road over Porter Creek is a prestressed concrete box beam or girders - multiple carrying Juddville Road over Porter Creek in Shiawassee County, Michigan. It was built in 1998, so it is 27 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 1,414 vehicles a day, roughly 10% of them trucks, projected to reach 2,012 by 2031. The structure is 44 ft (13.4 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesJuddville Road
CrossesPorter Creek
Location7 MI Northeast of Owosso
RouteCounty Highway 7678
Coordinates43.0584, -84.03324
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span41 ft (12.5 m)
Deck width41 ft (12.4 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,414 (2011)
Projected traffic2,012 by 2031
Trucks10%
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 Juddville Road over Porter Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Juddville Road over Porter Creek 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 April 2024.

How much traffic does Juddville Road over Porter Creek carry?

About 1,414 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Juddville Road over Porter Creek?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.5 m) and a deck 41 ft wide.

Who owns Juddville Road over Porter Creek?

It is owned by the County Highway Agency.