US Bridges

I-475 Off to Selby over Selby to I-475 SB on Rp

Fair

Genesee County, Michigan · In Flint · Structure no. 000000000002695

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
355 ft
3 main spans
Daily traffic
5,600
1988 count
Owner
State
State Highway Agency

About this bridge

I-475 Off to Selby over Selby to I-475 SB on Rp is a steel stringer/multi-beam or girder carrying I-475 Off to Selby over Selby to I-475 SB on Rp 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 6 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 5,600 vehicles a day, roughly 7% of them trucks, projected to reach 6,440 by 2008. The structure is 355 ft (108.3 m) long and 27 ft wide.

Location

Open in Google Maps
CarriesI-475 Off to Selby
CrossesSelby to I-475 SB on Rp
LocationIn Flint
RouteInterstate 475
CountyGenesee County
StateMichigan
Coordinates43.07254, -83.68419
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating52.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length355 ft (108.3 m)
Longest span147 ft (44.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (1988)
Projected traffic6,440 by 2008
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$112,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-475 Off to Selby over Selby to I-475 SB on Rp built?

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

What condition is I-475 Off to Selby over Selby to I-475 SB on Rp 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 July 2024.

How much traffic does I-475 Off to Selby over Selby to I-475 SB on Rp carry?

About 5,600 vehicles per day (1988 count), of which roughly 7% are trucks.

How long is I-475 Off to Selby over Selby to I-475 SB on Rp?

The structure is 355 ft (108.3 m) long with a longest span of 147 ft (44.8 m) and a deck 27 ft wide.

Who owns I-475 Off to Selby over Selby to I-475 SB on Rp?

It is owned by the State Highway Agency.