US Bridges

HWY Blandford RD over Water Mann Brook

Fair

Hampden County, Massachusetts · .3 M S of RTE 20 · Structure no. C1104600PMUNNBI

Built
1940
85 years old, rebuilt 1995
Condition
Fair
inspected December 2023
Type
Slab
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
239
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Blandford RD over Water Mann Brook is a prestressed concrete slab carrying HWY Blandford RD over Water Mann Brook in Hampden County, Massachusetts. It was built in 1940 and reconstructed in 1995, so it is 85 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 6 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 239 vehicles a day, roughly 6% of them trucks, projected to reach 1,263 by 2032. The structure is 29 ft (8.8 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesHWY Blandford RD
CrossesWater Mann Brook
Location.3 M S of RTE 20
RouteCity Street 0
CountyHampden County
StateMassachusetts
Coordinates42.26608, -73.00066
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic239 (2016)
Projected traffic1,263 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$905,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Blandford RD over Water Mann Brook built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1995.

What condition is HWY Blandford RD over Water Mann 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 December 2023.

How much traffic does HWY Blandford RD over Water Mann Brook carry?

About 239 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is HWY Blandford RD over Water Mann Brook?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns HWY Blandford RD over Water Mann Brook?

It is owned by the Town or Township Highway Agency.