US Bridges

Mckinley Road over Brent Run

Poor

Genesee County, Michigan · Bet Vienna & Farrand Road · Structure no. 000000000002797

Built
1929
96 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
701
2018 count
Owner
County
County Highway Agency

About this bridge

Mckinley Road over Brent Run is a steel stringer/multi-beam or girder carrying Mckinley Road over Brent Run in Genesee County, Michigan. It was built in 1929, so it is 96 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 701 vehicles a day, roughly 2% of them trucks, projected to reach 1,266 by 2038. The structure is 35 ft (10.6 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesMckinley Road
CrossesBrent Run
LocationBet Vienna & Farrand Road
RouteCounty Highway 0
CountyGenesee County
StateMichigan
Coordinates43.18721, -83.86367
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating85 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length35 ft (10.6 m)
Longest span33 ft (10 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic701 (2018)
Projected traffic1,266 by 2038
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 Mckinley Road over Brent Run built?

It was built in 1929, making it 96 years old in 2025.

What condition is Mckinley Road over Brent Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Mckinley Road over Brent Run carry?

About 701 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Mckinley Road over Brent Run?

The structure is 35 ft (10.6 m) long with a longest span of 33 ft (10 m) and a deck 33 ft wide.

Who owns Mckinley Road over Brent Run?

It is owned by the County Highway Agency.