US Bridges

I-69 EB over Gtw RR

Fair

Genesee County, Michigan · E of Miller RD & R04 · Structure no. 000000000002527

Built
1968
57 years old, rebuilt 1998
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
203 ft
3 main spans
Daily traffic
19,829
2007 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 Genesee County, Michigan. It was built in 1968 and reconstructed in 1998, so it is 57 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 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 19,829 vehicles a day, roughly 14% of them trucks, projected to reach 24,684 by 2018. The structure is 203 ft (61.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-69 EB
CrossesGtw RR
LocationE of Miller RD & R04
RouteInterstate 69
Coordinates42.96449, -83.79534
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating42.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length203 ft (61.8 m)
Longest span71 ft (21.6 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,829 (2007)
Projected traffic24,684 by 2018
Trucks14%
Lanes on structure2
Traffic directionOne-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-69 EB over Gtw RR built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1998.

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 August 2023.

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

About 19,829 vehicles per day (2007 count), of which roughly 14% are trucks.

How long is I-69 EB over Gtw RR?

The structure is 203 ft (61.8 m) long with a longest span of 71 ft (21.6 m) and a deck 42 ft wide.

Who owns I-69 EB over Gtw RR?

It is owned by the State Highway Agency.