US Bridges

Vt 00100 Ml over I 89 under Vt 100

Fair

Washington County, Vermont · I 89 Exit 10 · Structure no. 200013019712182

Built
1960
65 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
244 ft
4 main spans
Daily traffic
13,400
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00100 Ml over I 89 under Vt 100 is a steel stringer/multi-beam or girder carrying Vt 00100 Ml over I 89 under Vt 100 in Washington County, Vermont. It was built in 1960, so it is 65 years old, older 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 5 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 13,400 vehicles a day, roughly 9% of them trucks, projected to reach 14,070 by 2028. The structure is 244 ft (74.4 m) long and 47 ft wide.

CarriesVt 00100 Ml
CrossesI 89 under Vt 100
LocationI 89 Exit 10
RouteState Highway 100
StateVermont
Coordinates44.34334, -72.75258
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating58 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length244 ft (74.4 m)
Longest span74 ft (22.6 m)
Deck width47 ft (14.4 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,400 (2018)
Projected traffic14,070 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$4.1 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Vt 00100 Ml over I 89 under Vt 100 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Vt 00100 Ml over I 89 under Vt 100 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 May 2024.

How much traffic does Vt 00100 Ml over I 89 under Vt 100 carry?

About 13,400 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00100 Ml over I 89 under Vt 100?

The structure is 244 ft (74.4 m) long with a longest span of 74 ft (22.6 m) and a deck 47 ft wide.

Who owns Vt 00100 Ml over I 89 under Vt 100?

It is owned by the State Highway Agency.