US Bridges

I 00089 Ml over I 89 over TH No 78

Good

Windsor County, Vermont · 0.2 MI S I 89-I 91 Inters · Structure no. 200089000214082

Built
1965
60 years old
Condition
Good
inspected May 2024
Type
Frame
Concrete
Length
21 ft
1 main span
Daily traffic
42,000
2018 count
Owner
State
State Highway Agency

About this bridge

I 00089 Ml over I 89 over TH No 78 is a concrete frame carrying I 00089 Ml over I 89 over TH No 78 in Windsor County, Vermont. It was built in 1965, so it is 60 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 42,000 vehicles a day, roughly 13% of them trucks, projected to reach 44,100 by 2028. The structure is 21 ft (6.4 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI 00089 Ml
CrossesI 89 over TH No 78
Location0.2 MI S I 89-I 91 Inters
RouteInterstate 89
StateVermont
Coordinates43.63525, -72.33057
Functional classRural Principal Arterial - Interstate

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.
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 rating41 US tons
Inventory rating25 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width38 ft (11.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,000 (2018)
Projected traffic44,100 by 2028
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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$329,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 00089 Ml over I 89 over TH No 78 built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 00089 Ml over I 89 over TH No 78 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 May 2024.

How much traffic does I 00089 Ml over I 89 over TH No 78 carry?

About 42,000 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is I 00089 Ml over I 89 over TH No 78?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 38 ft wide.

Who owns I 00089 Ml over I 89 over TH No 78?

It is owned by the State Highway Agency.