US Bridges

South Hill RD over I-96

Good

Oakland County, Michigan · 4.0 MI E of Livingston CO · Structure no. 000000000007799

Built
1999
26 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
240 ft
2 main spans
Daily traffic
700
1990 count
Owner
State
State Highway Agency

About this bridge

South Hill RD over I-96 is a prestressed concrete box beam or girders - multiple carrying South Hill RD over I-96 in Oakland County, Michigan. It was built in 1999, so it is 26 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 700 vehicles a day, roughly 3% of them trucks, projected to reach 1,000 by 2010. The structure is 240 ft (73.2 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSouth Hill RD
CrossesI-96
Location4.0 MI E of Livingston CO
RouteCounty Highway 0
Coordinates42.51329, -83.59612
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.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating64.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length240 ft (73.2 m)
Longest span120 ft (36.7 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (1990)
Projected traffic1,000 by 2010
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was South Hill RD over I-96 built?

It was built in 1999, making it 26 years old in 2025.

What condition is South Hill RD over I-96 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 November 2024.

How much traffic does South Hill RD over I-96 carry?

About 700 vehicles per day (1990 count), of which roughly 3% are trucks.

How long is South Hill RD over I-96?

The structure is 240 ft (73.2 m) long with a longest span of 120 ft (36.7 m) and a deck 46 ft wide.

Who owns South Hill RD over I-96?

It is owned by the State Highway Agency.