US Bridges

I 00089 Ml over I 89 over Mont. S.H.

Fair

Washington County, Vermont · I 89 Exit 8 · Structure no. 200089041N12112

Built
1960
65 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
155 ft
3 main spans
Daily traffic
25,200
2018 count
Owner
State
State Highway Agency

About this bridge

I 00089 Ml over I 89 over Mont. S.H. is a steel stringer/multi-beam or girder carrying I 00089 Ml over I 89 over Mont. S.H. 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 25,200 vehicles a day, roughly 8% of them trucks, projected to reach 26,460 by 2028. The structure is 155 ft (47.2 m) long and 35 ft wide.

CarriesI 00089 Ml
CrossesI 89 over Mont. S.H.
LocationI 89 Exit 8
RouteInterstate 89
StateVermont
Coordinates44.25048, -72.59576
Functional classRural Principal Arterial - Interstate

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.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span82 ft (25 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,200 (2018)
Projected traffic26,460 by 2028
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
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$1.9 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 00089 Ml over I 89 over Mont. S.H. built?

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

What condition is I 00089 Ml over I 89 over Mont. S.H. 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 I 00089 Ml over I 89 over Mont. S.H. carry?

About 25,200 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is I 00089 Ml over I 89 over Mont. S.H.?

The structure is 155 ft (47.2 m) long with a longest span of 82 ft (25 m) and a deck 35 ft wide.

Who owns I 00089 Ml over I 89 over Mont. S.H.?

It is owned by the State Highway Agency.