US Bridges

King RD over I-75

Good

Saginaw County, Michigan · 2.6 MI SE of M-46 · Structure no. 000000000009159

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
209 ft
2 main spans
Daily traffic
1,921
1996 count
Owner
State
State Highway Agency

About this bridge

King RD over I-75 is a prestressed concrete stringer/multi-beam or girder carrying King RD over I-75 in Saginaw County, Michigan. It was built in 2015, so it is 10 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,921 vehicles a day, roughly 3% of them trucks, projected to reach 1,200 by 2035. The structure is 209 ft (63.7 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKing RD
CrossesI-75
Location2.6 MI SE of M-46
RouteCounty Highway 2004
CountySaginaw County
StateMichigan
Coordinates43.37805, -83.8757
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length209 ft (63.7 m)
Longest span102 ft (31.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,921 (1996)
Projected traffic1,200 by 2035
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 King RD over I-75 built?

It was built in 2015, making it 10 years old in 2025.

What condition is King RD over I-75 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

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

About 1,921 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is King RD over I-75?

The structure is 209 ft (63.7 m) long with a longest span of 102 ft (31.2 m) and a deck 43 ft wide.

Who owns King RD over I-75?

It is owned by the State Highway Agency.