US Bridges

US 00002 Ml over Kirby Brook

Fair

Essex County, Vermont · 6.3 MI E JCT VT.18 · Structure no. 200028011605072

Built
1942
83 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
2,700
2018 count
Owner
State
State Highway Agency

About this bridge

US 00002 Ml over Kirby Brook is a concrete culvert carrying US 00002 Ml over Kirby Brook in Essex County, Vermont. It was built in 1942, so it is 83 years old, older 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 2,700 vehicles a day, roughly 9% of them trucks, projected to reach 2,835 by 2028. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 00002 Ml
CrossesKirby Brook
Location6.3 MI E JCT VT.18
RouteU.S. Route 2
StateVermont
Coordinates44.44207, -71.87839
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2018)
Projected traffic2,835 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$278,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 00002 Ml over Kirby Brook built?

It was built in 1942, making it 83 years old in 2025.

What condition is US 00002 Ml over Kirby Brook 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 July 2023.

How much traffic does US 00002 Ml over Kirby Brook carry?

About 2,700 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is US 00002 Ml over Kirby Brook?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns US 00002 Ml over Kirby Brook?

It is owned by the State Highway Agency.