US Bridges

C3003 over No. Br Lamoille R.

FairPosted for load

Lamoille County, Vermont · 0.2 MI JCT TH 3 + Vt 109 · Structure no. 100801001208011

Built
1919
106 years old, rebuilt 1972
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
50
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3003 over No. Br Lamoille R. is a steel stringer/multi-beam or girder carrying C3003 over No. Br Lamoille R. in Lamoille County, Vermont. It was built in 1919 and reconstructed in 1972, 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 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 53 by 2029. The structure is 71 ft (21.6 m) long and 12 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesC3003
CrossesNo. Br Lamoille R.
Location0.2 MI JCT TH 3 + Vt 109
StateVermont
Coordinates44.74364, -72.74149
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span63 ft (19.2 m)
Deck width12 ft (3.6 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deck10 ft (3 m)

Traffic and service

Average daily traffic50 (2019)
Projected traffic53 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$346,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3003 over No. Br Lamoille R. built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 1972.

What condition is C3003 over No. Br Lamoille R. 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 2023.

How much traffic does C3003 over No. Br Lamoille R. carry?

About 50 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3003 over No. Br Lamoille R.?

The structure is 71 ft (21.6 m) long with a longest span of 63 ft (19.2 m) and a deck 12 ft wide.

Who owns C3003 over No. Br Lamoille R.?

It is owned by the Town or Township Highway Agency.