US Bridges

C3025 over Lyman Brook

Good

Windsor County, Vermont · 0.1 MI to JCT W VT11 · Structure no. 101401002614011

Built
1986
39 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
100
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3025 over Lyman Brook is a concrete slab carrying C3025 over Lyman Brook in Windsor County, Vermont. It was built in 1986, so it is 39 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 105 by 2029. The structure is 37 ft (11.3 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesC3025
CrossesLyman Brook
Location0.1 MI to JCT W VT11
StateVermont
Coordinates43.25837, -72.71834
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 rating71 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic105 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 C3025 over Lyman Brook built?

It was built in 1986, making it 39 years old in 2025.

What condition is C3025 over Lyman 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 C3025 over Lyman Brook carry?

About 100 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3025 over Lyman Brook?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 25 ft wide.

Who owns C3025 over Lyman Brook?

It is owned by the Town or Township Highway Agency.