US Bridges

HWY Gilbert RD over Water Manhan River

Fair

Hampshire County, Massachusetts · 1MI W of RT10 Nr Wstfld · Structure no. S190250RRMUNNBI

Built
1956
69 years old, rebuilt 1991
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
893
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Gilbert RD over Water Manhan River is a prestressed concrete slab carrying HWY Gilbert RD over Water Manhan River in Hampshire County, Massachusetts. It was built in 1956 and reconstructed in 1991, so it is 69 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 893 vehicles a day, projected to reach 632 by 2031. The structure is 41 ft (12.5 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Gilbert RD
CrossesWater Manhan River
Location1MI W of RT10 Nr Wstfld
RouteCity Street 0
Coordinates42.20513, -72.74799
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating44.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span40 ft (12.1 m)
Deck width19 ft (5.7 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic893 (2016)
Projected traffic632 by 2031
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Gilbert RD over Water Manhan River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1991.

What condition is HWY Gilbert RD over Water Manhan River 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 November 2024.

How much traffic does HWY Gilbert RD over Water Manhan River carry?

About 893 vehicles per day (2016 count).

How long is HWY Gilbert RD over Water Manhan River?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.1 m) and a deck 19 ft wide.

Who owns HWY Gilbert RD over Water Manhan River?

It is owned by the Town or Township Highway Agency.