US Bridges

East Holly RD over I-75

Fair

Oakland County, Michigan · 5.4 MI NW of M-15 · Structure no. 000000000008036

Built
1962
63 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
341 ft
4 main spans
Daily traffic
6,708
2010 count
Owner
State
State Highway Agency

About this bridge

East Holly RD over I-75 is a steel stringer/multi-beam or girder carrying East Holly RD over I-75 in Oakland County, Michigan. It was built in 1962, so it is 63 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 6,708 vehicles a day, roughly 3% of them trucks, projected to reach 7,379 by 2025. The structure is 341 ft (104 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesEast Holly RD
CrossesI-75
Location5.4 MI NW of M-15
RouteCounty Highway 6380
CountyOakland County
StateMichigan
Coordinates42.78215, -83.53449
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length341 ft (104 m)
Longest span117 ft (35.6 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,708 (2010)
Projected traffic7,379 by 2025
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$149,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was East Holly RD over I-75 built?

It was built in 1962, making it 63 years old in 2025.

What condition is East Holly 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 December 2024.

How much traffic does East Holly RD over I-75 carry?

About 6,708 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is East Holly RD over I-75?

The structure is 341 ft (104 m) long with a longest span of 117 ft (35.6 m) and a deck 36 ft wide.

Who owns East Holly RD over I-75?

It is owned by the State Highway Agency.