US Bridges

I-69 over Gtw RR

Fair

Genesee County, Michigan · In Flint · Structure no. 000000000002582

Built
1971
54 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
364 ft
3 main spans
Daily traffic
93,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-69 over Gtw RR is a steel stringer/multi-beam or girder carrying I-69 over Gtw RR in Genesee County, Michigan. It was built in 1971, 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 93,000 vehicles a day, roughly 7% of them trucks, projected to reach 106,950 by 2042. The structure is 364 ft (110.9 m) long and 142 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI-69
CrossesGtw RR
LocationIn Flint
RouteInterstate 69
CountyGenesee County
StateMichigan
Coordinates43.01176, -83.66029
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length364 ft (110.9 m)
Longest span140 ft (42.6 m)
Deck width142 ft (43.4 m)
Roadway width136 ft (41.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93,000 (2022)
Projected traffic106,950 by 2042
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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 Gtw RR built?

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

What condition is I-69 over Gtw 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 April 2024.

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

About 93,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is I-69 over Gtw RR?

The structure is 364 ft (110.9 m) long with a longest span of 140 ft (42.6 m) and a deck 142 ft wide.

Who owns I-69 over Gtw RR?

It is owned by the State Highway Agency.