US Bridges

Vt 0004A Alt over Castleton River

Good

Rutland County, Vermont · 2.4 MI E Jct. VT.30 · Structure no. 200142000811032

Built
2007
18 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
1,900
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 0004A Alt over Castleton River is a prestressed concrete slab carrying Vt 0004A Alt over Castleton River in Rutland County, Vermont. It was built in 2007, so it is 18 years old, younger than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,900 vehicles a day, roughly 3% of them trucks, projected to reach 1,995 by 2028. The structure is 60 ft (18.3 m) long and 31 ft wide.

CarriesVt 0004A Alt
CrossesCastleton River
Location2.4 MI E Jct. VT.30
RouteState Highway 4A
StateVermont
Coordinates43.61395, -73.16216
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length60 ft (18.3 m)
Longest span57 ft (17.4 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2018)
Projected traffic1,995 by 2028
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 0004A Alt over Castleton River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Vt 0004A Alt over Castleton River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Vt 0004A Alt over Castleton River carry?

About 1,900 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Vt 0004A Alt over Castleton River?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 31 ft wide.

Who owns Vt 0004A Alt over Castleton River?

It is owned by the State Highway Agency.