US Bridges

I 00091 Ml over Brook

Good

Windham County, Vermont · 0.3 MI N Exit 3 · Structure no. 20009111-213022

Built
1961
64 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
16,600
2018 count
Owner
State
State Highway Agency

About this bridge

I 00091 Ml over Brook is a concrete culvert carrying I 00091 Ml over Brook in Windham County, Vermont. It was built in 1961, so it is 64 years old, older 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 16,600 vehicles a day, roughly 13% of them trucks, projected to reach 17,430 by 2028. The structure is 20 ft (6.1 m) long.

CarriesI 00091 Ml
CrossesBrook
Location0.3 MI N Exit 3
RouteInterstate 91
StateVermont
Coordinates42.88969, -72.55592
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length20 ft (6.1 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 traffic16,600 (2018)
Projected traffic17,430 by 2028
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Brook built?

It was built in 1961, making it 64 years old in 2025.

What condition is I 00091 Ml over Brook 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 Ml over Brook carry?

About 16,600 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is I 00091 Ml over Brook?

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

Who owns I 00091 Ml over Brook?

It is owned by the State Highway Agency.