US Bridges

Mccarty RD over I-675

Fair

Saginaw County, Michigan · 1.6 MI N of Saginaw · Structure no. 000000000009149

Built
1971
54 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
240 ft
2 main spans
Daily traffic
8,490
1996 count
Owner
State
State Highway Agency

About this bridge

Mccarty RD over I-675 is a steel continuous stringer/multi-beam or girder carrying Mccarty RD over I-675 in Saginaw 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 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 8,490 vehicles a day, roughly 3% of them trucks, projected to reach 1,550 by 2006. The structure is 240 ft (73.2 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMccarty RD
CrossesI-675
Location1.6 MI N of Saginaw
RouteCounty Highway 2004
CountySaginaw County
StateMichigan
Coordinates43.46575, -83.95621
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length240 ft (73.2 m)
Longest span120 ft (36.6 m)
Deck width42 ft (12.9 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,490 (1996)
Projected traffic1,550 by 2006
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mccarty RD over I-675 built?

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

What condition is Mccarty RD 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 2023.

How much traffic does Mccarty RD over I-675 carry?

About 8,490 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is Mccarty RD over I-675?

The structure is 240 ft (73.2 m) long with a longest span of 120 ft (36.6 m) and a deck 42 ft wide.

Who owns Mccarty RD over I-675?

It is owned by the State Highway Agency.