US Bridges

Holly RD over I-75

Fair

Genesee County, Michigan · 2.2 MI NW of Oakland Col · Structure no. 000000000002627

Built
1962
63 years old, rebuilt 1996
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
290 ft
4 main spans
Daily traffic
12,418
1996 count
Owner
State
State Highway Agency

About this bridge

Holly RD over I-75 is a steel stringer/multi-beam or girder carrying Holly RD over I-75 in Genesee County, Michigan. It was built in 1962 and reconstructed in 1996, 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 12,418 vehicles a day, roughly 3% of them trucks, projected to reach 22,400 by 2016. The structure is 290 ft (88.4 m) long and 83 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHolly RD
CrossesI-75
Location2.2 MI NW of Oakland Col
RouteCounty Highway 2002
CountyGenesee County
StateMichigan
Coordinates42.89566, -83.63242
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
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length290 ft (88.4 m)
Longest span82 ft (25 m)
Deck width83 ft (25.4 m)
Roadway width80 ft (24.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,418 (1996)
Projected traffic22,400 by 2016
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Holly RD over I-75 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1996.

What condition is 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 July 2024.

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

About 12,418 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is Holly RD over I-75?

The structure is 290 ft (88.4 m) long with a longest span of 82 ft (25 m) and a deck 83 ft wide.

Who owns Holly RD over I-75?

It is owned by the State Highway Agency.