US Bridges

Morrish RD over I-69

Fair

Genesee County, Michigan · 0.5 MI N of Swartz Creek · Structure no. 000000000002535

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
226 ft
4 main spans
Daily traffic
6,737
1997 count
Owner
State
State Highway Agency

About this bridge

Morrish RD over I-69 is a concrete continuous tee beam carrying Morrish RD over I-69 in Genesee County, Michigan. It was built in 1960, so it is 65 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 5 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 6,737 vehicles a day, roughly 7% of them trucks, projected to reach 12,194 by 2017. The structure is 226 ft (68.9 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesMorrish RD
CrossesI-69
Location0.5 MI N of Swartz Creek
RouteCity Street 2002
CountyGenesee County
StateMichigan
Coordinates42.96522, -83.83075
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length226 ft (68.9 m)
Longest span71 ft (21.6 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,737 (1997)
Projected traffic12,194 by 2017
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Morrish RD over I-69 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Morrish RD over I-69 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 July 2024.

How much traffic does Morrish RD over I-69 carry?

About 6,737 vehicles per day (1997 count), of which roughly 7% are trucks.

How long is Morrish RD over I-69?

The structure is 226 ft (68.9 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.

Who owns Morrish RD over I-69?

It is owned by the State Highway Agency.