US Bridges

I 00091 Ramp over Rampb over Sleepers R

Good

Caledonia County, Vermont · I 91 Exit 21 Ramp B · Structure no. 200091861B03112

Built
1975
50 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
43 ft
2 main spans
Daily traffic
8,800
2018 count
Owner
State
State Highway Agency

About this bridge

I 00091 Ramp over Rampb over Sleepers R is a concrete culvert carrying I 00091 Ramp over Rampb over Sleepers R in Caledonia County, Vermont. It was built in 1975, so it is 50 years old, younger than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,800 vehicles a day, roughly 13% of them trucks, projected to reach 9,240 by 2028. The structure is 43 ft (13.1 m) long.

CarriesI 00091 Ramp
CrossesRampb over Sleepers R
LocationI 91 Exit 21 Ramp B
RouteInterstate 91
StateVermont
Coordinates44.42367, -72.03179
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2018)
Projected traffic9,240 by 2028
Trucks13%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 00091 Ramp over Rampb over Sleepers R built?

It was built in 1975, making it 50 years old in 2025.

What condition is I 00091 Ramp over Rampb over Sleepers R in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does I 00091 Ramp over Rampb over Sleepers R carry?

About 8,800 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is I 00091 Ramp over Rampb over Sleepers R?

The structure is 43 ft (13.1 m) long with a longest span of 20 ft (6.1 m).

Who owns I 00091 Ramp over Rampb over Sleepers R?

It is owned by the State Highway Agency.