US Bridges

TR 01 FAS 166 over Mill Brook

Good

Windsor County, Vermont · 1.6 MI W VT.14 · Structure no. 200166001514132

Built
1983
42 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
390
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 01 FAS 166 over Mill Brook is a concrete slab carrying TR 01 FAS 166 over Mill Brook in Windsor County, Vermont. It was built in 1983, so it is 42 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 390 vehicles a day, roughly 6% of them trucks, projected to reach 410 by 2027. The structure is 42 ft (12.8 m) long and 35 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesTR 01 FAS 166
CrossesMill Brook
Location1.6 MI W VT.14
RouteCounty Highway 1
StateVermont
Coordinates43.71928, -72.43661
Functional classRural Major Collector

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2017)
Projected traffic410 by 2027
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 TR 01 FAS 166 over Mill Brook built?

It was built in 1983, making it 42 years old in 2025.

What condition is TR 01 FAS 166 over Mill 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 June 2024.

How much traffic does TR 01 FAS 166 over Mill Brook carry?

About 390 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is TR 01 FAS 166 over Mill Brook?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns TR 01 FAS 166 over Mill Brook?

It is owned by the Town or Township Highway Agency.