US Bridges

I-69 over CSX RR

Fair

Genesee County, Michigan · In Flint · Structure no. 000000000002583

Built
1971
54 years old, rebuilt 2015
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
153 ft
3 main spans
Daily traffic
96,200
2014 count
Owner
State
State Highway Agency

About this bridge

I-69 over CSX RR is a steel stringer/multi-beam or girder carrying I-69 over CSX RR in Genesee County, Michigan. It was built in 1971 and reconstructed in 2015, so it is 54 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 96,200 vehicles a day, roughly 7% of them trucks, projected to reach 92,550 by 2035. The structure is 153 ft (46.6 m) long and 156 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-69
CrossesCSX RR
LocationIn Flint
RouteInterstate 69
CountyGenesee County
StateMichigan
Coordinates43.01243, -83.64949
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 rating53.9 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 length153 ft (46.6 m)
Longest span51 ft (15.5 m)
Deck width156 ft (47.5 m)
Roadway width150 ft (45.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,200 (2014)
Projected traffic92,550 by 2035
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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-69 over CSX RR built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2015.

What condition is I-69 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 August 2024.

How much traffic does I-69 over CSX RR carry?

About 96,200 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is I-69 over CSX RR?

The structure is 153 ft (46.6 m) long with a longest span of 51 ft (15.5 m) and a deck 156 ft wide.

Who owns I-69 over CSX RR?

It is owned by the State Highway Agency.