US Bridges

Outer Drive over I-675

Fair

Saginaw County, Michigan · 0.1 MI W of I-75 · Structure no. 000000000009126

Built
1971
54 years old, rebuilt 2009
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
283 ft
5 main spans
Daily traffic
10,489
1994 count
Owner
State
State Highway Agency

About this bridge

Outer Drive over I-675 is a steel stringer/multi-beam or girder carrying Outer Drive over I-675 in Saginaw County, Michigan. It was built in 1971 and reconstructed in 2009, 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 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 10,489 vehicles a day, roughly 3% of them trucks, projected to reach 8,250 by 1977. The structure is 283 ft (86.3 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOuter Drive
CrossesI-675
Location0.1 MI W of I-75
RouteCounty Highway 2004
CountySaginaw County
StateMichigan
Coordinates43.43364, -83.89639
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length283 ft (86.3 m)
Longest span80 ft (24.3 m)
Deck width36 ft (11.1 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,489 (1994)
Projected traffic8,250 by 1977
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Outer Drive over I-675 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2009.

What condition is Outer Drive over I-675 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 October 2024.

How much traffic does Outer Drive over I-675 carry?

About 10,489 vehicles per day (1994 count), of which roughly 3% are trucks.

How long is Outer Drive over I-675?

The structure is 283 ft (86.3 m) long with a longest span of 80 ft (24.3 m) and a deck 36 ft wide.

Who owns Outer Drive over I-675?

It is owned by the State Highway Agency.