US Bridges

Morrish Road over Brent Run

FairPosted for load

Genesee County, Michigan · Bet Wilson & Vienna Road · Structure no. 000000000002800

Built
1930
95 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
426
2009 count
Owner
County
County Highway Agency

About this bridge

Morrish Road over Brent Run is a concrete tee beam carrying Morrish Road over Brent Run in Genesee County, Michigan. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 426 vehicles a day, roughly 2% of them trucks, projected to reach 769 by 2029. The structure is 27 ft (8.2 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesMorrish Road
CrossesBrent Run
LocationBet Wilson & Vienna Road
RouteCounty Highway 0
CountyGenesee County
StateMichigan
Coordinates43.16983, -83.83364
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic426 (2009)
Projected traffic769 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Morrish Road over Brent Run built?

It was built in 1930, making it 95 years old in 2025.

What condition is Morrish Road over Brent Run 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 Morrish Road over Brent Run carry?

About 426 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Morrish Road over Brent Run?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Morrish Road over Brent Run?

It is owned by the County Highway Agency.