US Bridges

US 00005 Ml over Salmon Brook

Fair

Windham County, Vermont · 3.5 MI N Jct. VT.9 E · Structure no. 200113001113052

Built
1939
86 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
3,100
2018 count
Owner
State
State Highway Agency

About this bridge

US 00005 Ml over Salmon Brook is a concrete culvert carrying US 00005 Ml over Salmon Brook in Windham County, Vermont. It was built in 1939, 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 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 3,100 vehicles a day, roughly 6% of them trucks, projected to reach 3,255 by 2028. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 00005 Ml
CrossesSalmon Brook
Location3.5 MI N Jct. VT.9 E
RouteU.S. Route 5
StateVermont
Coordinates42.93156, -72.53609
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2018)
Projected traffic3,255 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$413,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 00005 Ml over Salmon Brook built?

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

What condition is US 00005 Ml over Salmon 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 US 00005 Ml over Salmon Brook carry?

About 3,100 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is US 00005 Ml over Salmon Brook?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m).

Who owns US 00005 Ml over Salmon Brook?

It is owned by the State Highway Agency.