US Bridges

C3075 over Brewster River

Fair

Lamoille County, Vermont · 0.3 MI to JCT W Vt 108 · Structure no. 100802005308021

Built
1929
96 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
40
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3075 over Brewster River is a concrete tee beam carrying C3075 over Brewster River in Lamoille County, Vermont. It was built in 1929, so it is 96 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 42 by 2029. The structure is 28 ft (8.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesC3075
CrossesBrewster River
Location0.3 MI to JCT W Vt 108
StateVermont
Coordinates44.58519, -72.78997
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2019)
Projected traffic42 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$293,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3075 over Brewster River built?

It was built in 1929, making it 96 years old in 2025.

What condition is C3075 over Brewster River 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 July 2024.

How much traffic does C3075 over Brewster River carry?

About 40 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3075 over Brewster River?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns C3075 over Brewster River?

It is owned by the Town or Township Highway Agency.