US Bridges

I-75 US-10 over CSX RR

Fair

Saginaw County, Michigan · 1.0 MI S of M-13 · Structure no. 000000000009157

Built
1958
67 years old, rebuilt 1977
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
134 ft
3 main spans
Daily traffic
46,000
2009 count
Owner
State
State Highway Agency

About this bridge

I-75 US-10 over CSX RR is a steel stringer/multi-beam or girder carrying I-75 US-10 over CSX RR in Saginaw County, Michigan. It was built in 1958 and reconstructed in 1977, so it is 67 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 46,000 vehicles a day, roughly 10% of them trucks, projected to reach 51,849 by 2032. The structure is 134 ft (40.7 m) long and 129 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-75 US-10
CrossesCSX RR
Location1.0 MI S of M-13
RouteInterstate 75
CountySaginaw County
StateMichigan
Coordinates43.46771, -83.89354
Functional classUrban Principal Arterial - Interstate

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 inspectionOctober 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 rating69.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.7 m)
Longest span44 ft (13.4 m)
Deck width129 ft (39.4 m)
Roadway width124 ft (37.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,000 (2009)
Projected traffic51,849 by 2032
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-75 US-10 over CSX RR built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1977.

What condition is I-75 US-10 over CSX RR 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 October 2024.

How much traffic does I-75 US-10 over CSX RR carry?

About 46,000 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is I-75 US-10 over CSX RR?

The structure is 134 ft (40.7 m) long with a longest span of 44 ft (13.4 m) and a deck 129 ft wide.

Who owns I-75 US-10 over CSX RR?

It is owned by the State Highway Agency.