US Bridges

Vt 00100 Ml over Shepard Brook

Fair

Washington County, Vermont · 0.9 MI S Jct. VT.100B · Structure no. 200013018612162

Built
1938
87 years old, rebuilt 1977
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
6,400
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00100 Ml over Shepard Brook is a steel stringer/multi-beam or girder carrying Vt 00100 Ml over Shepard Brook in Washington County, Vermont. It was built in 1938 and reconstructed in 1977, so it is 87 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 5 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 6,400 vehicles a day, roughly 9% of them trucks, projected to reach 6,720 by 2028. The structure is 84 ft (25.6 m) long and 29 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

Open in Google Maps
CarriesVt 00100 Ml
CrossesShepard Brook
Location0.9 MI S Jct. VT.100B
RouteState Highway 100
CountyWashington County
StateVermont
Coordinates44.2288, -72.784
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length84 ft (25.6 m)
Longest span82 ft (25 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2018)
Projected traffic6,720 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 km)
TollOn a free road
National Highway SystemNo

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$903,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00100 Ml over Shepard Brook built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1977.

What condition is Vt 00100 Ml over Shepard 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 September 2023.

How much traffic does Vt 00100 Ml over Shepard Brook carry?

About 6,400 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00100 Ml over Shepard Brook?

The structure is 84 ft (25.6 m) long with a longest span of 82 ft (25 m) and a deck 29 ft wide.

Who owns Vt 00100 Ml over Shepard Brook?

It is owned by the State Highway Agency.