US Bridges

C3026 over Rock River

PoorPosted for load

Windham County, Vermont · @ JCT W CL2 TH2 · Structure no. 101312004913121

Built
1939
86 years old, rebuilt 1997
Condition
Poor
inspected September 2024
Type
Truss - Thru
Steel
Length
154 ft
1 main span
Daily traffic
180
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3026 over Rock River is a steel truss - thru carrying C3026 over Rock River in Windham County, Vermont. It was built in 1939 and reconstructed in 1997, so it is 86 years old, older than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 180 vehicles a day, roughly 2% of them trucks, projected to reach 189 by 2029. The structure is 154 ft (46.9 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesC3026
CrossesRock River
Location@ JCT W CL2 TH2
CountyWindham County
StateVermont
Coordinates42.93755, -72.70419
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating26 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span149 ft (45.4 m)
Deck width14 ft (4.2 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic180 (2019)
Projected traffic189 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$799,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3026 over Rock River built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1997.

What condition is C3026 over Rock River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does C3026 over Rock River carry?

About 180 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3026 over Rock River?

The structure is 154 ft (46.9 m) long with a longest span of 149 ft (45.4 m) and a deck 14 ft wide.

Who owns C3026 over Rock River?

It is owned by the Town or Township Highway Agency.