US Bridges

C3042 over Black River

Fair

Windsor County, Vermont · 0.25 MI to JCT W VT100 · Structure no. 101412004614121

Built
1928
97 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
49 ft
1 main span
Daily traffic
150
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3042 over Black River is a concrete tee beam carrying C3042 over Black River in Windsor County, Vermont. It was built in 1928, so it is 97 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 150 vehicles a day, roughly 2% of them trucks, projected to reach 158 by 2029. The structure is 49 ft (14.9 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesC3042
CrossesBlack River
Location0.25 MI to JCT W VT100
StateVermont
Coordinates43.4951, -72.70643
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span47 ft (14.3 m)
Deck width23 ft (7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2019)
Projected traffic158 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-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$446,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3042 over Black River built?

It was built in 1928, making it 97 years old in 2025.

What condition is C3042 over Black 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 October 2023.

How much traffic does C3042 over Black River carry?

About 150 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3042 over Black River?

The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.3 m) and a deck 23 ft wide.

Who owns C3042 over Black River?

It is owned by the Town or Township Highway Agency.