US Bridges

Vt 00011 Ml over Black River

Fair

Windsor County, Vermont · 0.3 MI West JCT U.S.5 S · Structure no. 200016006614182

Built
1966
59 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
348 ft
3 main spans
Daily traffic
10,600
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00011 Ml over Black River is a steel stringer/multi-beam or girder carrying Vt 00011 Ml over Black River in Windsor County, Vermont. It was built in 1966, so it is 59 years old, younger 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.

It carries about 10,600 vehicles a day, roughly 9% of them trucks, projected to reach 11,130 by 2028. The structure is 348 ft (106.1 m) long and 64 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesVt 00011 Ml
CrossesBlack River
Location0.3 MI West JCT U.S.5 S
RouteState Highway 11
StateVermont
Coordinates43.26655, -72.44394
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating65 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length348 ft (106.1 m)
Longest span113 ft (34.4 m)
Deck width64 ft (19.4 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2018)
Projected traffic11,130 by 2028
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$7.8 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00011 Ml over Black River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Vt 00011 Ml over Black River 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 June 2023.

How much traffic does Vt 00011 Ml over Black River carry?

About 10,600 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00011 Ml over Black River?

The structure is 348 ft (106.1 m) long with a longest span of 113 ft (34.4 m) and a deck 64 ft wide.

Who owns Vt 00011 Ml over Black River?

It is owned by the State Highway Agency.