US Bridges

HWY Allen RD over Water Jabish Brook

Fair

Hampshire County, Massachusetts · 350 E of Rt 202 Int · Structure no. B050090PDMUNNBI

Built
1939
86 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
2,716
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Allen RD over Water Jabish Brook is a steel stringer/multi-beam or girder carrying HWY Allen RD over Water Jabish Brook in Hampshire County, Massachusetts. It was built in 1939, so it is 86 years old, older than the Massachusetts average of 63.8 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 2,716 vehicles a day, roughly 5% of them trucks, projected to reach 816 by 2032. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Allen RD
CrossesWater Jabish Brook
Location350 E of Rt 202 Int
RouteCity Street 0
Coordinates42.30192, -72.40517
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.5 US tons
Inventory rating48.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,716 (2017)
Projected traffic816 by 2032
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$571,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Allen RD over Water Jabish Brook built?

It was built in 1939, making it 86 years old in 2025.

What condition is HWY Allen RD over Water Jabish 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 March 2023.

How much traffic does HWY Allen RD over Water Jabish Brook carry?

About 2,716 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is HWY Allen RD over Water Jabish Brook?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns HWY Allen RD over Water Jabish Brook?

It is owned by the Town or Township Highway Agency.