US Bridges

TR 00TH3 over TH No 3 over I 89

Good

Chittenden County, Vermont · 0.8 MI N Exit 12 · Structure no. 2004170D6204171

Built
1963
62 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
236 ft
4 main spans
Daily traffic
250
2019 count
Owner
State
State Highway Agency

About this bridge

TR 00TH3 over TH No 3 over I 89 is a steel stringer/multi-beam or girder carrying TR 00TH3 over TH No 3 over I 89 in Chittenden County, Vermont. It was built in 1963, so it is 62 years old, older 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 263 by 2029. The structure is 236 ft (71.9 m) long and 35 ft wide.

CarriesTR 00TH3
CrossesTH No 3 over I 89
Location0.8 MI N Exit 12
RouteCounty Highway 0TH3
StateVermont
Coordinates44.44113, -73.13145
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.
Superstructure7 GoodSome minor problems.
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 rating96 US tons
Inventory rating57 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length236 ft (71.9 m)
Longest span67 ft (20.4 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2019)
Projected traffic263 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 00TH3 over TH No 3 over I 89 built?

It was built in 1963, making it 62 years old in 2025.

What condition is TR 00TH3 over TH No 3 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 00TH3 over TH No 3 over I 89 carry?

About 250 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is TR 00TH3 over TH No 3 over I 89?

The structure is 236 ft (71.9 m) long with a longest span of 67 ft (20.4 m) and a deck 35 ft wide.

Who owns TR 00TH3 over TH No 3 over I 89?

It is owned by the State Highway Agency.