US Bridges

I 00091 Ml over I 91 over Vt 103

Poor

Windham County, Vermont · I 91 Exit 6 · Structure no. 200091023N13142

Built
1963
62 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
167 ft
3 main spans
Daily traffic
15,000
2018 count
Owner
State
State Highway Agency

About this bridge

I 00091 Ml over I 91 over Vt 103 is a steel stringer/multi-beam or girder carrying I 00091 Ml over I 91 over Vt 103 in Windham County, Vermont. It was built in 1963, so it is 62 years old, older than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 15,000 vehicles a day, roughly 13% of them trucks, projected to reach 15,750 by 2028. The structure is 167 ft (50.9 m) long and 35 ft wide.

CarriesI 00091 Ml
CrossesI 91 over Vt 103
LocationI 91 Exit 6
RouteInterstate 91
StateVermont
Coordinates43.17865, -72.463
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span62 ft (18.9 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2018)
Projected traffic15,750 by 2028
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.1 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 00091 Ml over I 91 over Vt 103 built?

It was built in 1963, making it 62 years old in 2025.

What condition is I 00091 Ml over I 91 over Vt 103 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does I 00091 Ml over I 91 over Vt 103 carry?

About 15,000 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is I 00091 Ml over I 91 over Vt 103?

The structure is 167 ft (50.9 m) long with a longest span of 62 ft (18.9 m) and a deck 35 ft wide.

Who owns I 00091 Ml over I 91 over Vt 103?

It is owned by the State Highway Agency.