US Bridges

I 00091 Ml over I 91 over US 5

Fair

Caledonia County, Vermont · 0.6 MI N Exit 18 · Structure no. 200091074S03012

Built
1977
48 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
1 main span
Daily traffic
7,100
2018 count
Owner
State
State Highway Agency

About this bridge

I 00091 Ml over I 91 over US 5 is a steel stringer/multi-beam or girder carrying I 00091 Ml over I 91 over US 5 in Caledonia County, Vermont. It was built in 1977, so it is 48 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 7,100 vehicles a day, roughly 13% of them trucks, projected to reach 7,455 by 2028. The structure is 146 ft (44.5 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 00091 Ml
CrossesI 91 over US 5
Location0.6 MI N Exit 18
RouteInterstate 91
CountyCaledonia County
StateVermont
Coordinates44.30059, -72.04517
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating71 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span138 ft (42.1 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2018)
Projected traffic7,455 by 2028
Trucks13%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 00091 Ml over I 91 over US 5 built?

It was built in 1977, making it 48 years old in 2025.

What condition is I 00091 Ml over I 91 over US 5 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 US 5 carry?

About 7,100 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is I 00091 Ml over I 91 over US 5?

The structure is 146 ft (44.5 m) long with a longest span of 138 ft (42.1 m) and a deck 41 ft wide.

Who owns I 00091 Ml over I 91 over US 5?

It is owned by the State Highway Agency.