US Bridges

C3009 over Martins Brook

Fair

Washington County, Vermont · 0.01 MI to JCT W CL2 TH2 · Structure no. 101210003412101

Built
1940
85 years old, rebuilt 1974
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
100
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3009 over Martins Brook is a steel stringer/multi-beam or girder carrying C3009 over Martins Brook in Washington County, Vermont. It was built in 1940 and reconstructed in 1974, so it is 85 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 105 by 2029. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesC3009
CrossesMartins Brook
Location0.01 MI to JCT W CL2 TH2
CountyWashington County
StateVermont
Coordinates44.34432, -72.58868
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic105 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$332,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3009 over Martins Brook built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1974.

What condition is C3009 over Martins 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 2023.

How much traffic does C3009 over Martins Brook carry?

About 100 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3009 over Martins Brook?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 16 ft wide.

Who owns C3009 over Martins Brook?

It is owned by the Town or Township Highway Agency.