US Bridges

C3099 over Stevens River

PoorPosted for load

Caledonia County, Vermont · 0.04 MI to JCT W TH100 · Structure no. 100301004103011

Built
1919
106 years old, rebuilt 1944
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
125
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3099 over Stevens River is a steel stringer/multi-beam or girder carrying C3099 over Stevens River in Caledonia County, Vermont. It was built in 1919 and reconstructed in 1944, so it is 106 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 125 vehicles a day, roughly 2% of them trucks, projected to reach 132 by 2029. The structure is 37 ft (11.3 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC3099
CrossesStevens River
Location0.04 MI to JCT W TH100
StateVermont
Coordinates44.29466, -72.05072
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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length37 ft (11.3 m)
Longest span34 ft (10.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2019)
Projected traffic132 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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$584,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3099 over Stevens River built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 1944.

What condition is C3099 over Stevens 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 October 2024.

How much traffic does C3099 over Stevens River carry?

About 125 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3099 over Stevens River?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.4 m) and a deck 22 ft wide.

Who owns C3099 over Stevens River?

It is owned by the Town or Township Highway Agency.