US Bridges

HWY Jackson ST over Other Northampton Bk Way

Fair

Hampshire County, Massachusetts · 0.15 M N of Prospect ST · Structure no. N190110MJMUNNBI

Built
1890
135 years old, rebuilt 1977
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
7,500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Jackson ST over Other Northampton Bk Way is a prestressed concrete slab carrying HWY Jackson ST over Other Northampton Bk Way in Hampshire County, Massachusetts. It was built in 1890 and reconstructed in 1977, so it is 135 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.

It carries about 7,500 vehicles a day, roughly 5% of them trucks, projected to reach 10,265 by 2031. The structure is 26 ft (7.8 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Jackson ST
CrossesOther Northampton Bk Way
Location0.15 M N of Prospect ST
RouteCity Street 0
Coordinates42.33206, -72.64502
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.1 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length26 ft (7.8 m)
Longest span25 ft (7.5 m)
Deck width32 ft (9.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2024)
Projected traffic10,265 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$773,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Jackson ST over Other Northampton Bk Way built?

It was built in 1890, making it 135 years old in 2025. It was reconstructed in 1977.

What condition is HWY Jackson ST over Other Northampton Bk Way 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 HWY Jackson ST over Other Northampton Bk Way carry?

About 7,500 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is HWY Jackson ST over Other Northampton Bk Way?

The structure is 26 ft (7.8 m) long with a longest span of 25 ft (7.5 m) and a deck 32 ft wide.

Who owns HWY Jackson ST over Other Northampton Bk Way?

It is owned by the City or Municipal Highway Agency.