US Bridges

Miller RD over I-75

Fair

Genesee County, Michigan · W Lts of Flint · Structure no. 000000000002486

Built
1954
71 years old, rebuilt 2010
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
287 ft
6 main spans
Daily traffic
27,750
2016 count
Owner
State
State Highway Agency

About this bridge

Miller RD over I-75 is a steel stringer/multi-beam or girder carrying Miller RD over I-75 in Genesee County, Michigan. It was built in 1954 and reconstructed in 2010, so it is 71 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 27,750 vehicles a day, roughly 5% of them trucks, projected to reach 31,913 by 2036. The structure is 287 ft (87.6 m) long and 68 ft wide.

Location

Open in Google Maps
CarriesMiller RD
CrossesI-75
LocationW Lts of Flint
RouteCounty Highway 2002
CountyGenesee County
StateMichigan
Coordinates42.98974, -83.73851
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.
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 inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating84.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length287 ft (87.6 m)
Longest span64 ft (19.5 m)
Deck width68 ft (20.7 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,750 (2016)
Projected traffic31,913 by 2036
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Miller RD over I-75 built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2010.

What condition is Miller 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 May 2023.

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

About 27,750 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Miller RD over I-75?

The structure is 287 ft (87.6 m) long with a longest span of 64 ft (19.5 m) and a deck 68 ft wide.

Who owns Miller RD over I-75?

It is owned by the State Highway Agency.