US Bridges

Vt 00100 Ml over East Branch Missisquoi

Poor

Orleans County, Vermont · 1.5 MI S Jct. VT.58 · Structure no. 200029023410132

Built
1929
96 years old, rebuilt 1948
Condition
Poor
inspected April 2024
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
2,600
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00100 Ml over East Branch Missisquoi is a concrete tee beam carrying Vt 00100 Ml over East Branch Missisquoi in Orleans County, Vermont. It was built in 1929 and reconstructed in 1948, so it is 96 years old, older than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,600 vehicles a day, roughly 9% of them trucks, projected to reach 2,730 by 2028. The structure is 43 ft (13.1 m) long and 33 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesVt 00100 Ml
CrossesEast Branch Missisquoi
Location1.5 MI S Jct. VT.58
RouteState Highway 100
StateVermont
Coordinates44.77854, -72.45287
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2018)
Projected traffic2,730 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00100 Ml over East Branch Missisquoi built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1948.

What condition is Vt 00100 Ml over East Branch Missisquoi in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Vt 00100 Ml over East Branch Missisquoi carry?

About 2,600 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00100 Ml over East Branch Missisquoi?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns Vt 00100 Ml over East Branch Missisquoi?

It is owned by the State Highway Agency.