US Bridges

I-69 WB over Gtw RR

Fair

St. Clair County, Michigan · 3 MI SE of Goodells · Structure no. 000000000009934

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

About this bridge

I-69 WB over Gtw RR is a steel stringer/multi-beam or girder carrying I-69 WB 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 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 6,532 vehicles a day, roughly 22% of them trucks, projected to reach 7,512 by 2033. The structure is 177 ft (54.1 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesI-69 WB
CrossesGtw RR
Location3 MI SE of Goodells
RouteInterstate 69
CountySt. Clair County
StateMichigan
Coordinates42.97601, -82.6084
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating53.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length177 ft (54.1 m)
Longest span74 ft (22.7 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 WB over Gtw RR built?

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

What condition is I-69 WB 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 WB over Gtw RR carry?

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

How long is I-69 WB over Gtw RR?

The structure is 177 ft (54.1 m) long with a longest span of 74 ft (22.7 m) and a deck 46 ft wide.

Who owns I-69 WB over Gtw RR?

It is owned by the State Highway Agency.