US Bridges

Busch RD over I-75

Fair

Saginaw County, Michigan · 5.8 MI NW of Genesee Col · Structure no. 000000000009194

Built
1960
65 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
299 ft
4 main spans
Daily traffic
1,199
1995 count
Owner
State
State Highway Agency

About this bridge

Busch RD over I-75 is a steel stringer/multi-beam or girder carrying Busch RD over I-75 in Saginaw County, Michigan. It was built in 1960, so it is 65 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 1,199 vehicles a day, roughly 3% of them trucks, projected to reach 120 by 1977. The structure is 299 ft (91.1 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBusch RD
CrossesI-75
Location5.8 MI NW of Genesee Col
RouteCounty Highway 7336
CountySaginaw County
StateMichigan
Coordinates43.29389, -83.81999
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length299 ft (91.1 m)
Longest span103 ft (31.4 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,199 (1995)
Projected traffic120 by 1977
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Busch RD over I-75 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Busch RD over I-75 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 August 2023.

How much traffic does Busch RD over I-75 carry?

About 1,199 vehicles per day (1995 count), of which roughly 3% are trucks.

How long is Busch RD over I-75?

The structure is 299 ft (91.1 m) long with a longest span of 103 ft (31.4 m) and a deck 27 ft wide.

Who owns Busch RD over I-75?

It is owned by the State Highway Agency.