US Bridges

C2001 over Salmon Brook

FairPosted for load

Windham County, Vermont · 0.6 MI to JCT W CL3 TH18 · Structure no. 101305002913051

Built
1935
90 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
1,000
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C2001 over Salmon Brook is a steel stringer/multi-beam or girder carrying C2001 over Salmon Brook in Windham County, Vermont. It was built in 1935, so it is 90 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. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 1,050 by 2029. The structure is 46 ft (14 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesC2001
CrossesSalmon Brook
Location0.6 MI to JCT W CL3 TH18
CountyWindham County
StateVermont
Coordinates42.93483, -72.56206
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2019)
Projected traffic1,050 by 2029
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$425,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C2001 over Salmon Brook built?

It was built in 1935, making it 90 years old in 2025.

What condition is C2001 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 September 2024.

How much traffic does C2001 over Salmon Brook carry?

About 1,000 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is C2001 over Salmon Brook?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 23 ft wide.

Who owns C2001 over Salmon Brook?

It is owned by the Town or Township Highway Agency.