US Bridges

Vt 0100A Alt over Ottauquechee River

Good

Windsor County, Vermont · 0.1 MI S Jct. U.S.4 · Structure no. 200149001414052

Built
2011
14 years old
Condition
Good
inspected June 2023
Type
Truss - Thru
Steel
Length
115 ft
1 main span
Daily traffic
770
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 0100A Alt over Ottauquechee River is a steel truss - thru carrying Vt 0100A Alt over Ottauquechee River in Windsor County, Vermont. It was built in 2011, so it is 14 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 770 vehicles a day, roughly 6% of them trucks, projected to reach 809 by 2028. The structure is 115 ft (35.1 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesVt 0100A Alt
CrossesOttauquechee River
Location0.1 MI S Jct. U.S.4
RouteState Highway 100A
StateVermont
Coordinates43.58684, -72.65681
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.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating37 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length115 ft (35.1 m)
Longest span108 ft (32.9 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic770 (2018)
Projected traffic809 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 0100A Alt over Ottauquechee River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Vt 0100A Alt over Ottauquechee 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 0100A Alt over Ottauquechee River carry?

About 770 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Vt 0100A Alt over Ottauquechee River?

The structure is 115 ft (35.1 m) long with a longest span of 108 ft (32.9 m) and a deck 29 ft wide.

Who owns Vt 0100A Alt over Ottauquechee River?

It is owned by the State Highway Agency.