US Bridges

ST189 Granby RD over Water Seymour Brook

Fair

Hampden County, Massachusetts · At Water Street · Structure no. G100170KTDOTNBI

Built
1904
121 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete
Length
31 ft
1 main span
Daily traffic
2,068
2018 count
Owner
State
State Highway Agency

About this bridge

ST189 Granby RD over Water Seymour Brook is a concrete arch - deck carrying ST189 Granby RD over Water Seymour Brook in Hampden County, Massachusetts. It was built in 1904, so it is 121 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 2,068 vehicles a day, roughly 2% of them trucks, projected to reach 1,579 by 2033. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesST189 Granby RD
CrossesWater Seymour Brook
LocationAt Water Street
RouteState Highway 189
Coordinates42.06454, -72.8608
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,068 (2018)
Projected traffic1,579 by 2033
Trucks2%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$712,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST189 Granby RD over Water Seymour Brook built?

It was built in 1904, making it 121 years old in 2025.

What condition is ST189 Granby RD over Water Seymour 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 2024.

How much traffic does ST189 Granby RD over Water Seymour Brook carry?

About 2,068 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is ST189 Granby RD over Water Seymour Brook?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns ST189 Granby RD over Water Seymour Brook?

It is owned by the State Highway Agency.