US Bridges

Vt 00100 Ml over N. Br. Deerfield River

Fair

Windham County, Vermont · 5.8 MI N Jct. VT.9 W · Structure no. 200013005613042

Built
1939
86 years old, rebuilt 1973
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
3,800
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00100 Ml over N. Br. Deerfield River is a steel stringer/multi-beam or girder carrying Vt 00100 Ml over N. Br. Deerfield River in Windham County, Vermont. It was built in 1939 and reconstructed in 1973, so it is 86 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 3,800 vehicles a day, roughly 9% of them trucks, projected to reach 3,990 by 2028. The structure is 81 ft (24.7 m) long and 30 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesVt 00100 Ml
CrossesN. Br. Deerfield River
Location5.8 MI N Jct. VT.9 W
RouteState Highway 100
CountyWindham County
StateVermont
Coordinates42.93631, -72.84882
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length81 ft (24.7 m)
Longest span79 ft (24.1 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2018)
Projected traffic3,990 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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$884,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00100 Ml over N. Br. Deerfield River built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1973.

What condition is Vt 00100 Ml over N. Br. Deerfield River 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 June 2023.

How much traffic does Vt 00100 Ml over N. Br. Deerfield River carry?

About 3,800 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00100 Ml over N. Br. Deerfield River?

The structure is 81 ft (24.7 m) long with a longest span of 79 ft (24.1 m) and a deck 30 ft wide.

Who owns Vt 00100 Ml over N. Br. Deerfield River?

It is owned by the State Highway Agency.