US Bridges

Vt 00015 Ml over Roaring Brook

Fair

Chittenden County, Vermont · 7.1 MI E Jct. VT.128 · Structure no. 200030001104152

Built
1938
87 years old, rebuilt 1972
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
8,100
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00015 Ml over Roaring Brook is a steel stringer/multi-beam or girder carrying Vt 00015 Ml over Roaring Brook in Chittenden County, Vermont. It was built in 1938 and reconstructed in 1972, 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 8,100 vehicles a day, roughly 9% of them trucks, projected to reach 8,505 by 2028. The structure is 63 ft (19.2 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesVt 00015 Ml
CrossesRoaring Brook
Location7.1 MI E Jct. VT.128
RouteState Highway 15
StateVermont
Coordinates44.533, -72.94505
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length63 ft (19.2 m)
Longest span58 ft (17.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,100 (2018)
Projected traffic8,505 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$778,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00015 Ml over Roaring Brook built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1972.

What condition is Vt 00015 Ml over Roaring 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 May 2023.

How much traffic does Vt 00015 Ml over Roaring Brook carry?

About 8,100 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00015 Ml over Roaring Brook?

The structure is 63 ft (19.2 m) long with a longest span of 58 ft (17.7 m) and a deck 33 ft wide.

Who owns Vt 00015 Ml over Roaring Brook?

It is owned by the State Highway Agency.