US Bridges

I 00091 Ml over I 91 over Vt 122 Mlr Run

Fair

Caledonia County, Vermont · 0.2 MI S Exit 24 I91 · Structure no. 200091096S03072

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
246 ft
4 main spans
Daily traffic
6,500
2018 count
Owner
State
State Highway Agency

About this bridge

I 00091 Ml over I 91 over Vt 122 Mlr Run is a steel stringer/multi-beam or girder carrying I 00091 Ml over I 91 over Vt 122 Mlr Run in Caledonia County, Vermont. It was built in 1972, so it is 53 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 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 6,500 vehicles a day, roughly 13% of them trucks, projected to reach 6,825 by 2028. The structure is 246 ft (75 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 00091 Ml
CrossesI 91 over Vt 122 Mlr Run
Location0.2 MI S Exit 24 I91
RouteInterstate 91
StateVermont
Coordinates44.5532, -72.02901
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length246 ft (75 m)
Longest span81 ft (24.7 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2018)
Projected traffic6,825 by 2028
Trucks13%
Lanes on structure2
Traffic directionOne-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 122 Mlr Run built?

It was built in 1972, making it 53 years old in 2025.

What condition is I 00091 Ml over I 91 over Vt 122 Mlr Run 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 00091 Ml over I 91 over Vt 122 Mlr Run carry?

About 6,500 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is I 00091 Ml over I 91 over Vt 122 Mlr Run?

The structure is 246 ft (75 m) long with a longest span of 81 ft (24.7 m) and a deck 43 ft wide.

Who owns I 00091 Ml over I 91 over Vt 122 Mlr Run?

It is owned by the State Highway Agency.