US Bridges

Giddings RD over I-75

Fair

Oakland County, Michigan · 0.8 MI NW of M-24 · Structure no. 000000000008012

Built
1962
63 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
266 ft
4 main spans
Daily traffic
6,050
2019 count
Owner
State
State Highway Agency

About this bridge

Giddings RD over I-75 is a prestressed concrete stringer/multi-beam or girder carrying Giddings 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 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 6,050 vehicles a day, roughly 9% of them trucks, projected to reach 6,425 by 2039. The structure is 266 ft (81 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGiddings RD
CrossesI-75
Location0.8 MI NW of M-24
RouteCity Street 0
CountyOakland County
StateMichigan
Coordinates42.69582, -83.26185
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.4 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length266 ft (81 m)
Longest span74 ft (22.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,050 (2019)
Projected traffic6,425 by 2039
Trucks9%
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 Giddings RD over I-75 built?

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

What condition is Giddings 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 March 2023.

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

About 6,050 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Giddings RD over I-75?

The structure is 266 ft (81 m) long with a longest span of 74 ft (22.6 m) and a deck 31 ft wide.

Who owns Giddings RD over I-75?

It is owned by the State Highway Agency.