US Bridges

I 00091 Ml over I 91 over Vt 16

Fair

Orleans County, Vermont · I 91 Exit 25 · Structure no. 200091102N10022

Built
1971
54 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
3 main spans
Daily traffic
4,800
2018 count
Owner
State
State Highway Agency

About this bridge

I 00091 Ml over I 91 over Vt 16 is a steel continuous stringer/multi-beam or girder carrying I 00091 Ml over I 91 over Vt 16 in Orleans County, Vermont. It was built in 1971, so it is 54 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 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 4,800 vehicles a day, roughly 13% of them trucks, projected to reach 5,040 by 2028. The structure is 180 ft (54.9 m) long and 44 ft wide.

CarriesI 00091 Ml
CrossesI 91 over Vt 16
LocationI 91 Exit 25
RouteInterstate 91
StateVermont
Coordinates44.73556, -72.18371
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating73 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span77 ft (23.5 m)
Deck width44 ft (13.3 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2018)
Projected traffic5,040 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 00091 Ml over I 91 over Vt 16 built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 00091 Ml over I 91 over Vt 16 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 16 carry?

About 4,800 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is I 00091 Ml over I 91 over Vt 16?

The structure is 180 ft (54.9 m) long with a longest span of 77 ft (23.5 m) and a deck 44 ft wide.

Who owns I 00091 Ml over I 91 over Vt 16?

It is owned by the State Highway Agency.