US Bridges

I-69 EB over Gtw RR

Fair

St. Clair County, Michigan · 3 MI SE of Goodells · Structure no. 000000000009933

Built
1980
45 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
188 ft
3 main spans
Daily traffic
6,532
2013 count
Owner
State
State Highway Agency

About this bridge

I-69 EB over Gtw RR is a steel stringer/multi-beam or girder carrying I-69 EB over Gtw RR in St. Clair 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 6,532 vehicles a day, roughly 22% of them trucks, projected to reach 7,512 by 2033. The structure is 188 ft (57.3 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesI-69 EB
CrossesGtw RR
Location3 MI SE of Goodells
RouteInterstate 69
CountySt. Clair County
StateMichigan
Coordinates42.97595, -82.60771
Functional classRural 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length188 ft (57.3 m)
Longest span75 ft (23 m)
Deck width46 ft (14 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,532 (2013)
Projected traffic7,512 by 2033
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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 EB over Gtw RR built?

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

What condition is I-69 EB 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 October 2023.

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

About 6,532 vehicles per day (2013 count), of which roughly 22% are trucks.

How long is I-69 EB over Gtw RR?

The structure is 188 ft (57.3 m) long with a longest span of 75 ft (23 m) and a deck 46 ft wide.

Who owns I-69 EB over Gtw RR?

It is owned by the State Highway Agency.