US Bridges

US 00004 Ml over Brook

Good

Windsor County, Vermont · 1.2 MI E JCT Vt 100A · Structure no. 200020004614052

Built
1920
105 years old, rebuilt 1974
Condition
Good
inspected August 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
5,300
2018 count
Owner
State
State Highway Agency

About this bridge

US 00004 Ml over Brook is a concrete slab carrying US 00004 Ml over Brook in Windsor County, Vermont. It was built in 1920 and reconstructed in 1974, so it is 105 years old, older 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 5,300 vehicles a day, roughly 9% of them trucks, projected to reach 5,565 by 2028. The structure is 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

CarriesUS 00004 Ml
CrossesBrook
Location1.2 MI E JCT Vt 100A
RouteU.S. Route 4
StateVermont
Coordinates43.588, -72.6332
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,300 (2018)
Projected traffic5,565 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$620,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 00004 Ml over Brook built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1974.

What condition is US 00004 Ml over 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 August 2023.

How much traffic does US 00004 Ml over Brook carry?

About 5,300 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is US 00004 Ml over Brook?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns US 00004 Ml over Brook?

It is owned by the State Highway Agency.