US Bridges

TR 00TH6 over TH No 6 over I 89

Good

Chittenden County, Vermont · 3.1 MI N Exit 17 · Structure no. 2004100D8004101

Built
1967
58 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
226 ft
2 main spans
Daily traffic
100
2019 count
Owner
State
State Highway Agency

About this bridge

TR 00TH6 over TH No 6 over I 89 is a steel continuous stringer/multi-beam or girder carrying TR 00TH6 over TH No 6 over I 89 in Chittenden County, Vermont. It was built in 1967, so it is 58 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 105 by 2029. The structure is 226 ft (68.9 m) long and 30 ft wide.

CarriesTR 00TH6
CrossesTH No 6 over I 89
Location3.1 MI N Exit 17
RouteCounty Highway 0TH6
StateVermont
Coordinates44.63014, -73.1475
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length226 ft (68.9 m)
Longest span110 ft (33.5 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic105 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 00TH6 over TH No 6 over I 89 built?

It was built in 1967, making it 58 years old in 2025.

What condition is TR 00TH6 over TH No 6 over I 89 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 June 2024.

How much traffic does TR 00TH6 over TH No 6 over I 89 carry?

About 100 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is TR 00TH6 over TH No 6 over I 89?

The structure is 226 ft (68.9 m) long with a longest span of 110 ft (33.5 m) and a deck 30 ft wide.

Who owns TR 00TH6 over TH No 6 over I 89?

It is owned by the State Highway Agency.