US Bridges

Kochville RD over I-75

Fair

Saginaw County, Michigan · 1.7 MI NW of M-13 · Structure no. 000000000009172

Built
1980
45 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
2 main spans
Daily traffic
2,059
1997 count
Owner
State
State Highway Agency

About this bridge

Kochville RD over I-75 is a steel continuous stringer/multi-beam or girder carrying Kochville RD over I-75 in Saginaw County, Michigan. It was built in 1980, so it is 45 years old, younger 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 2,059 vehicles a day, roughly 3% of them trucks, projected to reach 500 by 1977. The structure is 250 ft (76.2 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKochville RD
CrossesI-75
Location1.7 MI NW of M-13
RouteCounty Highway 2004
CountySaginaw County
StateMichigan
Coordinates43.49398, -83.92791
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length250 ft (76.2 m)
Longest span125 ft (38.1 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,059 (1997)
Projected traffic500 by 1977
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 Kochville RD over I-75 built?

It was built in 1980, making it 45 years old in 2025.

What condition is Kochville 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 2023.

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

About 2,059 vehicles per day (1997 count), of which roughly 3% are trucks.

How long is Kochville RD over I-75?

The structure is 250 ft (76.2 m) long with a longest span of 125 ft (38.1 m) and a deck 46 ft wide.

Who owns Kochville RD over I-75?

It is owned by the State Highway Agency.