US Bridges

C3045 over Black River

Fair

Windsor County, Vermont · 0.02 MI to JCT W VT103 · Structure no. 101406003514061

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
80
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3045 over Black River is a steel stringer/multi-beam or girder carrying C3045 over Black River in Windsor County, Vermont. It was built in 1985, so it is 40 years old, younger 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 84 by 2029. The structure is 83 ft (25.3 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3045
CrossesBlack River
Location0.02 MI to JCT W VT103
CountyWindsor County
StateVermont
Coordinates43.38733, -72.65367
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length83 ft (25.3 m)
Longest span80 ft (24.4 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2019)
Projected traffic84 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$553,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3045 over Black River built?

It was built in 1985, making it 40 years old in 2025.

What condition is C3045 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 C3045 over Black River carry?

About 80 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3045 over Black River?

The structure is 83 ft (25.3 m) long with a longest span of 80 ft (24.4 m) and a deck 17 ft wide.

Who owns C3045 over Black River?

It is owned by the Town or Township Highway Agency.