US Bridges

TR 0TH51 over TH No 51 over I 91

Fair

Windsor County, Vermont · 3.4 MI S Exit 8 · Structure no. 201420D29414201

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
279 ft
5 main spans
Daily traffic
150
2019 count
Owner
State
State Highway Agency

About this bridge

TR 0TH51 over TH No 51 over I 91 is a steel continuous stringer/multi-beam or girder carrying TR 0TH51 over TH No 51 over I 91 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 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 150 vehicles a day, roughly 2% of them trucks, projected to reach 158 by 2029. The structure is 279 ft (85 m) long and 29 ft wide.

Location

Open in Google Maps
CarriesTR 0TH51
CrossesTH No 51 over I 91
Location3.4 MI S Exit 8
RouteCounty Highway 0TH51
CountyWindsor County
StateVermont
Coordinates43.35535, -72.42249
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length279 ft (85 m)
Longest span64 ft (19.5 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2019)
Projected traffic158 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 0TH51 over TH No 51 over I 91 built?

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

What condition is TR 0TH51 over TH No 51 over I 91 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 TR 0TH51 over TH No 51 over I 91 carry?

About 150 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is TR 0TH51 over TH No 51 over I 91?

The structure is 279 ft (85 m) long with a longest span of 64 ft (19.5 m) and a deck 29 ft wide.

Who owns TR 0TH51 over TH No 51 over I 91?

It is owned by the State Highway Agency.