US Bridges

I 00089 Ml over I 89 over Necrr & Brook

Fair

Chittenden County, Vermont · 0.1 MI N Exit 11 · Structure no. 200089057N04112

Built
1964
61 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
251 ft
4 main spans
Daily traffic
36,300
2018 count
Owner
State
State Highway Agency

About this bridge

I 00089 Ml over I 89 over Necrr & Brook is a steel stringer/multi-beam or girder carrying I 00089 Ml over I 89 over Necrr & Brook in Chittenden County, Vermont. It was built in 1964, so it is 61 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 36,300 vehicles a day, roughly 13% of them trucks, projected to reach 38,115 by 2028. The structure is 251 ft (76.5 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 00089 Ml
CrossesI 89 over Necrr & Brook
Location0.1 MI N Exit 11
RouteInterstate 89
CountyChittenden County
StateVermont
Coordinates44.42369, -73.01229
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length251 ft (76.5 m)
Longest span62 ft (18.9 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,300 (2018)
Projected traffic38,115 by 2028
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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$3.1 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 00089 Ml over I 89 over Necrr & Brook built?

It was built in 1964, making it 61 years old in 2025.

What condition is I 00089 Ml over I 89 over Necrr & Brook 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 Necrr & Brook carry?

About 36,300 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is I 00089 Ml over I 89 over Necrr & Brook?

The structure is 251 ft (76.5 m) long with a longest span of 62 ft (18.9 m) and a deck 35 ft wide.

Who owns I 00089 Ml over I 89 over Necrr & Brook?

It is owned by the State Highway Agency.