US Bridges

TR 06 FAS 171 over Bourn Brook

FairPosted for load

Bennington County, Vermont · At JCT TH6 & TH27 · Structure no. 200171000802062

Built
1929
96 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
44 ft
1 main span
Daily traffic
960
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 06 FAS 171 over Bourn Brook is a concrete tee beam carrying TR 06 FAS 171 over Bourn Brook in Bennington County, Vermont. It was built in 1929, so it is 96 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 960 vehicles a day, roughly 3% of them trucks, projected to reach 1,008 by 2027. The structure is 44 ft (13.4 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 06 FAS 171
CrossesBourn Brook
LocationAt JCT TH6 & TH27
RouteCounty Highway 6
StateVermont
Coordinates43.16739, -73.04939
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length44 ft (13.4 m)
Longest span41 ft (12.5 m)
Deck width29 ft (8.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2017)
Projected traffic1,008 by 2027
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$500,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 06 FAS 171 over Bourn Brook built?

It was built in 1929, making it 96 years old in 2025.

What condition is TR 06 FAS 171 over Bourn 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 June 2024.

How much traffic does TR 06 FAS 171 over Bourn Brook carry?

About 960 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is TR 06 FAS 171 over Bourn Brook?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.5 m) and a deck 29 ft wide.

Who owns TR 06 FAS 171 over Bourn Brook?

It is owned by the Town or Township Highway Agency.