US Bridges

US 00005 Ml over Willoughby Brook

Fair

Orleans County, Vermont · 3.6 MI S Jct. VT.16 · Structure no. 200113015710022

Built
1955
70 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
1,300
2018 count
Owner
State
State Highway Agency

About this bridge

US 00005 Ml over Willoughby Brook is a steel stringer/multi-beam or girder carrying US 00005 Ml over Willoughby Brook in Orleans County, Vermont. It was built in 1955, so it is 70 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 1,300 vehicles a day, roughly 6% of them trucks, projected to reach 1,365 by 2028. The structure is 54 ft (16.5 m) long and 44 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesUS 00005 Ml
CrossesWilloughby Brook
Location3.6 MI S Jct. VT.16
RouteU.S. Route 5
StateVermont
Coordinates44.71371, -72.13004
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length54 ft (16.5 m)
Longest span51 ft (15.5 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2018)
Projected traffic1,365 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 00005 Ml over Willoughby Brook built?

It was built in 1955, making it 70 years old in 2025.

What condition is US 00005 Ml over Willoughby 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 June 2023.

How much traffic does US 00005 Ml over Willoughby Brook carry?

About 1,300 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is US 00005 Ml over Willoughby Brook?

The structure is 54 ft (16.5 m) long with a longest span of 51 ft (15.5 m) and a deck 44 ft wide.

Who owns US 00005 Ml over Willoughby Brook?

It is owned by the State Highway Agency.