US Bridges

Morrish Road over Swartz Creek

Good

Genesee County, Michigan · In Swartz Creek · Structure no. 000000000002868

Built
1975
50 years old, rebuilt 2013
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
5,234
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Morrish Road over Swartz Creek is a prestressed concrete box beam or girders - single or spread carrying Morrish Road over Swartz Creek in Genesee County, Michigan. It was built in 1975 and reconstructed in 2013, so it is 50 years old, older 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 5,234 vehicles a day, roughly 2% of them trucks, projected to reach 7,777 by 2032. The structure is 44 ft (13.3 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMorrish Road
CrossesSwartz Creek
LocationIn Swartz Creek
RouteCity Street 0
CountyGenesee County
StateMichigan
Coordinates42.95421, -83.83186
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating59.3 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length44 ft (13.3 m)
Longest span42 ft (12.8 m)
Deck width64 ft (19.4 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,234 (2012)
Projected traffic7,777 by 2032
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Morrish Road over Swartz Creek built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2013.

What condition is Morrish 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 May 2024.

How much traffic does Morrish Road over Swartz Creek carry?

About 5,234 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Morrish Road over Swartz Creek?

The structure is 44 ft (13.3 m) long with a longest span of 42 ft (12.8 m) and a deck 64 ft wide.

Who owns Morrish Road over Swartz Creek?

It is owned by the City or Municipal Highway Agency.