US Bridges

I 00091 Ml over I 91 over Vt 30 Westr

Good

Windham County, Vermont · 0.9 MI S Exit 3 · Structure no. 200091000913022

Built
2017
8 years old
Condition
Good
inspected May 2024
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
1,036 ft
3 main spans
Daily traffic
24,200
2018 count
Owner
State
State Highway Agency

About this bridge

I 00091 Ml over I 91 over Vt 30 Westr is a prestressed concrete continuous segmental box girder carrying I 00091 Ml over I 91 over Vt 30 Westr in Windham County, Vermont. It was built in 2017, so it is 8 years old, younger than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24,200 vehicles a day, roughly 10% of them trucks, projected to reach 25,410 by 2028. The structure is 1,036 ft (315.8 m) long and 105 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 00091 Ml
CrossesI 91 over Vt 30 Westr
Location0.9 MI S Exit 3
RouteInterstate 91
StateVermont
Coordinates42.87463, -72.5706
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length1,036 ft (315.8 m)
Longest span515 ft (157 m)
Deck width105 ft (31.9 m)
Roadway width101 ft (30.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,200 (2018)
Projected traffic25,410 by 2028
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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 00091 Ml over I 91 over Vt 30 Westr built?

It was built in 2017, making it 8 years old in 2025.

What condition is I 00091 Ml over I 91 over Vt 30 Westr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does I 00091 Ml over I 91 over Vt 30 Westr carry?

About 24,200 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is I 00091 Ml over I 91 over Vt 30 Westr?

The structure is 1,036 ft (315.8 m) long with a longest span of 515 ft (157 m) and a deck 105 ft wide.

Who owns I 00091 Ml over I 91 over Vt 30 Westr?

It is owned by the State Highway Agency.