US Bridges

Vt 00973 Conn over VT973 Conn. over I 91NB

Fair

Caledonia County, Vermont · I 91 Exit 22 · Structure no. 200041003A03112

Built
1975
50 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
1 main span
Daily traffic
5,000
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00973 Conn over VT973 Conn. over I 91NB is a steel stringer/multi-beam or girder carrying Vt 00973 Conn over VT973 Conn. over I 91NB in Caledonia County, Vermont. It was built in 1975, so it is 50 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 5,000 vehicles a day, roughly 2% of them trucks, projected to reach 5,250 by 2028. The structure is 110 ft (33.5 m) long and 43 ft wide.

CarriesVt 00973 Conn
CrossesVT973 Conn. over I 91NB
LocationI 91 Exit 22
RouteCounty Highway 0TH9
StateVermont
Coordinates44.45381, -72.02431
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating63.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span106 ft (32.3 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2018)
Projected traffic5,250 by 2028
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Vt 00973 Conn over VT973 Conn. over I 91NB built?

It was built in 1975, making it 50 years old in 2025.

What condition is Vt 00973 Conn over VT973 Conn. over I 91NB 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 May 2024.

How much traffic does Vt 00973 Conn over VT973 Conn. over I 91NB carry?

About 5,000 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Vt 00973 Conn over VT973 Conn. over I 91NB?

The structure is 110 ft (33.5 m) long with a longest span of 106 ft (32.3 m) and a deck 43 ft wide.

Who owns Vt 00973 Conn over VT973 Conn. over I 91NB?

It is owned by the State Highway Agency.