US Bridges

Jennings Road over Swartz Creek

Good

Genesee County, Michigan · Bet Hill Road & Maple Ave · Structure no. 000000000002804

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
230
2009 count
Owner
County
County Highway Agency

About this bridge

Jennings Road over Swartz Creek is a prestressed concrete box beam or girders - single or spread carrying Jennings Road over Swartz Creek in Genesee County, Michigan. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 230 vehicles a day, roughly 5% of them trucks, projected to reach 415 by 2029. The structure is 66 ft (20.1 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesJennings Road
CrossesSwartz Creek
LocationBet Hill Road & Maple Ave
RouteCounty Highway 0
CountyGenesee County
StateMichigan
Coordinates42.95272, -83.75174
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.1 US tons
Inventory rating58.5 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length66 ft (20.1 m)
Longest span65 ft (19.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2009)
Projected traffic415 by 2029
Trucks5%
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 Jennings Road over Swartz Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Jennings Road over Swartz 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 September 2023.

How much traffic does Jennings Road over Swartz Creek carry?

About 230 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Jennings Road over Swartz Creek?

The structure is 66 ft (20.1 m) long with a longest span of 65 ft (19.7 m) and a deck 33 ft wide.

Who owns Jennings Road over Swartz Creek?

It is owned by the County Highway Agency.