US Bridges

I 00091 Ml over I 91 over Vt 103

Fair

Windham County, Vermont · I 91 Exit 6 · Structure no. 200091023S13142

Built
1963
62 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
157 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 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 15,000 vehicles a day, roughly 13% of them trucks, projected to reach 15,750 by 2028. The structure is 157 ft (47.9 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 00091 Ml
CrossesI 91 over Vt 103
LocationI 91 Exit 6
RouteInterstate 91
StateVermont
Coordinates43.17871, -72.46332
Functional classRural 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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span57 ft (17.4 m)
Deck width47 ft (14.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2018)
Projected traffic15,750 by 2028
Trucks13%
Lanes on structure3
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.6 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 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 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 157 ft (47.9 m) long with a longest span of 57 ft (17.4 m) and a deck 47 ft wide.

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

It is owned by the State Highway Agency.