US Bridges

Vt 0004A Alt over Castleton River

Fair

Rutland County, Vermont · 0.1 MI E JCT VT.22A S · Structure no. 200142000111072

Built
1924
101 years old, rebuilt 1969
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
53 ft
1 main span
Daily traffic
5,400
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Vt 0004A Alt over Castleton River is a concrete tee beam carrying Vt 0004A Alt over Castleton River in Rutland County, Vermont. It was built in 1924 and reconstructed in 1969, so it is 101 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 5,400 vehicles a day, roughly 6% of them trucks, projected to reach 5,670 by 2028. The structure is 53 ft (16.2 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesVt 0004A Alt
CrossesCastleton River
Location0.1 MI E JCT VT.22A S
RouteState Highway 4A
StateVermont
Coordinates43.59011, -73.26511
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating43 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length53 ft (16.2 m)
Longest span51 ft (15.5 m)
Deck width40 ft (12.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2018)
Projected traffic5,670 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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$798,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 0004A Alt over Castleton River built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1969.

What condition is Vt 0004A Alt over Castleton 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 June 2023.

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

About 5,400 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Vt 0004A Alt over Castleton River?

The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.5 m) and a deck 40 ft wide.

Who owns Vt 0004A Alt over Castleton River?

It is owned by the Town or Township Highway Agency.