US Bridges

Left Turn Lane NO2 over I-475

Poor

Genesee County, Michigan · At S Limits of Flint · Structure no. 000000000002689

Built
1971
54 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
2 main spans
Daily traffic
3,000
2007 count
Owner
State
State Highway Agency

About this bridge

Left Turn Lane NO2 over I-475 is a steel continuous stringer/multi-beam or girder carrying Left Turn Lane NO2 over I-475 in Genesee County, Michigan. It was built in 1971, so it is 54 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 3,000 vehicles a day, projected to reach 3,300 by 2022. The structure is 140 ft (42.6 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesLeft Turn Lane NO2
CrossesI-475
LocationAt S Limits of Flint
RouteCounty Highway 2002
CountyGenesee County
StateMichigan
Coordinates42.98213, -83.68212
Functional classUrban Principal Arterial - Other Freeway or Expressway

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length140 ft (42.6 m)
Longest span70 ft (21.3 m)
Deck width24 ft (7.2 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2007)
Projected traffic3,300 by 2022
Trucks—
Lanes on structure1
Traffic directionOne-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 Left Turn Lane NO2 over I-475 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Left Turn Lane NO2 over I-475 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 Left Turn Lane NO2 over I-475 carry?

About 3,000 vehicles per day (2007 count).

How long is Left Turn Lane NO2 over I-475?

The structure is 140 ft (42.6 m) long with a longest span of 70 ft (21.3 m) and a deck 24 ft wide.

Who owns Left Turn Lane NO2 over I-475?

It is owned by the State Highway Agency.