US Bridges

C3UN1 over Ottauquechee River

FairPosted for load

Windsor County, Vermont · 0.05 MI to JCT W CL1 TH2 · Structure no. 101424007314241

Built
1968
57 years old, rebuilt 1974
Condition
Fair
inspected September 2024
Type
Truss - Thru
Wood or Timber
Length
181 ft
1 main span
Daily traffic
500
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3UN1 over Ottauquechee River is a wood or timber truss - thru carrying C3UN1 over Ottauquechee River in Windsor County, Vermont. It was built in 1968 and reconstructed in 1974, so it is 57 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, roughly 2% of them trucks, projected to reach 525 by 2029. The structure is 181 ft (55.2 m) long and 14 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC3UN1
CrossesOttauquechee River
Location0.05 MI to JCT W CL1 TH2
StateVermont
Coordinates43.62464, -72.5204
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.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating8 US tons
Inventory rating8 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1 (+1 approach)
Design loadUnknown
Structure length181 ft (55.2 m)
Longest span124 ft (37.8 m)
Deck width14 ft (4.4 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deck11 ft (3.3 m)

Traffic and service

Average daily traffic500 (2019)
Projected traffic525 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3UN1 over Ottauquechee River built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1974.

What condition is C3UN1 over Ottauquechee 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 September 2024.

How much traffic does C3UN1 over Ottauquechee River carry?

About 500 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3UN1 over Ottauquechee River?

The structure is 181 ft (55.2 m) long with a longest span of 124 ft (37.8 m) and a deck 14 ft wide.

Who owns C3UN1 over Ottauquechee River?

It is owned by the Town or Township Highway Agency.