US Bridges

Cornell Ave over I-475

Fair

Genesee County, Michigan · North of Flint · Structure no. 000000000002697

Built
1977
48 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
2 main spans
Daily traffic
500
1996 count
Owner
State
State Highway Agency

About this bridge

Cornell Ave over I-475 is a steel stringer/multi-beam or girder carrying Cornell Ave over I-475 in Genesee County, Michigan. It was built in 1977, so it is 48 years old, younger 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 500 vehicles a day, roughly 3% of them trucks, projected to reach 900 by 2016. The structure is 149 ft (45.4 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCornell Ave
CrossesI-475
LocationNorth of Flint
RouteCounty Highway 2002
CountyGenesee County
StateMichigan
Coordinates43.08351, -83.6858
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length149 ft (45.4 m)
Longest span75 ft (22.8 m)
Deck width44 ft (13.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (1996)
Projected traffic900 by 2016
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$538,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cornell Ave over I-475 built?

It was built in 1977, making it 48 years old in 2025.

What condition is Cornell Ave over I-475 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 April 2023.

How much traffic does Cornell Ave over I-475 carry?

About 500 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is Cornell Ave over I-475?

The structure is 149 ft (45.4 m) long with a longest span of 75 ft (22.8 m) and a deck 44 ft wide.

Who owns Cornell Ave over I-475?

It is owned by the State Highway Agency.