US Bridges

Hill Road over Swartz Creek

Fair

Genesee County, Michigan · Bet Jennings & Torrey RD · Structure no. 000000000002711

Built
1966
59 years old, rebuilt 1994
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
12,640
2012 count
Owner
County
County Highway Agency

About this bridge

Hill Road over Swartz Creek is a steel stringer/multi-beam or girder carrying Hill Road over Swartz Creek in Genesee County, Michigan. It was built in 1966 and reconstructed in 1994, so it is 59 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 12,640 vehicles a day, roughly 5% of them trucks, projected to reach 22,829 by 2032. The structure is 46 ft (14 m) long and 73 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesHill Road
CrossesSwartz Creek
LocationBet Jennings & Torrey RD
RouteCounty Highway 2002
CountyGenesee County
StateMichigan
Coordinates42.94376, -83.74412
Functional classUrban Minor Arterial

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating91.4 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width73 ft (22.2 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,640 (2012)
Projected traffic22,829 by 2032
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

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 Hill Road over Swartz Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1994.

What condition is Hill Road over Swartz 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 November 2024.

How much traffic does Hill Road over Swartz Creek carry?

About 12,640 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Hill Road over Swartz Creek?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 73 ft wide.

Who owns Hill Road over Swartz Creek?

It is owned by the County Highway Agency.