US Bridges

I 00089 Ml over Lamoille River

Fair

Chittenden County, Vermont · 3.7 MI N Exit 17 · Structure no. 200089008104102

Built
2016
9 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
467 ft
3 main spans
Daily traffic
23,400
2018 count
Owner
State
State Highway Agency

About this bridge

I 00089 Ml over Lamoille River is a steel continuous stringer/multi-beam or girder carrying I 00089 Ml over Lamoille River in Chittenden County, Vermont. It was built in 2016, so it is 9 years old, younger than the Vermont average of 60.8 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 23,400 vehicles a day, roughly 10% of them trucks, projected to reach 24,570 by 2028. The structure is 467 ft (142.3 m) long and 106 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 00089 Ml
CrossesLamoille River
Location3.7 MI N Exit 17
RouteInterstate 89
StateVermont
Coordinates44.63699, -73.14063
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating41 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length467 ft (142.3 m)
Longest span240 ft (73.2 m)
Deck width106 ft (32.3 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,400 (2018)
Projected traffic24,570 by 2028
Trucks10%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 00089 Ml over Lamoille River built?

It was built in 2016, making it 9 years old in 2025.

What condition is I 00089 Ml over Lamoille River 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 June 2024.

How much traffic does I 00089 Ml over Lamoille River carry?

About 23,400 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is I 00089 Ml over Lamoille River?

The structure is 467 ft (142.3 m) long with a longest span of 240 ft (73.2 m) and a deck 106 ft wide.

Who owns I 00089 Ml over Lamoille River?

It is owned by the State Highway Agency.