US Bridges

C3ELM over Cooper Brook

Good

Caledonia County, Vermont · On Elm ST 0.2 MI W Vt 15 · Structure no. 100305004203051

Built
1985
40 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
39 ft
1 main span
Daily traffic
75
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3ELM over Cooper Brook is a concrete slab carrying C3ELM over Cooper Brook in Caledonia County, Vermont. It was built in 1985, so it is 40 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 6% of them trucks, projected to reach 79 by 2029. The structure is 39 ft (11.9 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3ELM
CrossesCooper Brook
LocationOn Elm ST 0.2 MI W Vt 15
CountyCaledonia County
StateVermont
Coordinates44.50283, -72.37386
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating69 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2019)
Projected traffic79 by 2029
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C3ELM over Cooper Brook built?

It was built in 1985, making it 40 years old in 2025.

What condition is C3ELM over Cooper Brook 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 October 2023.

How much traffic does C3ELM over Cooper Brook carry?

About 75 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is C3ELM over Cooper Brook?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 25 ft wide.

Who owns C3ELM over Cooper Brook?

It is owned by the Town or Township Highway Agency.