US Bridges

I-475 over Chavez DR

Poor

Genesee County, Michigan · In Flint · Structure no. 000000000002672

Built
1976
49 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
169 ft
3 main spans
Daily traffic
63,400
2007 count
Owner
State
State Highway Agency

About this bridge

I-475 over Chavez DR is a steel stringer/multi-beam or girder carrying I-475 over Chavez DR in Genesee County, Michigan. It was built in 1976, so it is 49 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 4 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 63,400 vehicles a day, roughly 2% of them trucks, projected to reach 78,521 by 2018. The structure is 169 ft (51.5 m) long and 170 ft wide.

Location

Open in Google Maps
CarriesI-475
CrossesChavez DR
LocationIn Flint
RouteInterstate 475
CountyGenesee County
StateMichigan
Coordinates43.03171, -83.67707
Functional classUrban Principal Arterial - Interstate

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.3 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length169 ft (51.5 m)
Longest span76 ft (23.1 m)
Deck width170 ft (51.8 m)
Roadway width165 ft (50.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,400 (2007)
Projected traffic78,521 by 2018
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$246,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-475 over Chavez DR built?

It was built in 1976, making it 49 years old in 2025.

What condition is I-475 over Chavez DR 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 April 2024.

How much traffic does I-475 over Chavez DR carry?

About 63,400 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is I-475 over Chavez DR?

The structure is 169 ft (51.5 m) long with a longest span of 76 ft (23.1 m) and a deck 170 ft wide.

Who owns I-475 over Chavez DR?

It is owned by the State Highway Agency.