US Bridges

I 00089 Ml over I 89 over Lafountain

Fair

Chittenden County, Vermont · 0.1 MI N Exit 15 · Structure no. 200089073N04182

Built
1962
63 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
3 main spans
Daily traffic
39,500
2018 count
Owner
State
State Highway Agency

About this bridge

I 00089 Ml over I 89 over Lafountain is a steel stringer/multi-beam or girder carrying I 00089 Ml over I 89 over Lafountain in Chittenden County, Vermont. It was built in 1962, so it is 63 years old, older 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 39,500 vehicles a day, roughly 8% of them trucks, projected to reach 41,475 by 2028. The structure is 127 ft (38.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 00089 Ml
CrossesI 89 over Lafountain
Location0.1 MI N Exit 15
RouteInterstate 89
StateVermont
Coordinates44.49526, -73.17327
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span57 ft (17.4 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,500 (2018)
Projected traffic41,475 by 2028
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 00089 Ml over I 89 over Lafountain built?

It was built in 1962, making it 63 years old in 2025.

What condition is I 00089 Ml over I 89 over Lafountain 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 I 89 over Lafountain carry?

About 39,500 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is I 00089 Ml over I 89 over Lafountain?

The structure is 127 ft (38.7 m) long with a longest span of 57 ft (17.4 m) and a deck 43 ft wide.

Who owns I 00089 Ml over I 89 over Lafountain?

It is owned by the State Highway Agency.