US Bridges

Shipyard Road over Mine Brook

FairPosted for load

Middlesex County, Connecticut · 0.3 MI S of Route 151 · Structure no. 05610

Built
1941
84 years old, rebuilt 1996
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
43
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Shipyard Road over Mine Brook is a wood or timber slab carrying Shipyard Road over Mine Brook in Middlesex County, Connecticut. It was built in 1941 and reconstructed in 1996, so it is 84 years old, older than the Connecticut average of 56.7 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: posted for load restriction.

It carries about 43 vehicles a day, roughly 1% of them trucks, projected to reach 64 by 2044. The structure is 24 ft (7.3 m) long and 13 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesShipyard Road
CrossesMine Brook
Location0.3 MI S of Route 151
RouteCity Street 0
Coordinates41.55215, -72.55258
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2024)
Projected traffic64 by 2044
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shipyard Road over Mine Brook built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1996.

What condition is Shipyard Road over Mine 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 October 2024.

How much traffic does Shipyard Road over Mine Brook carry?

About 43 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Shipyard Road over Mine Brook?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 13 ft wide.

Who owns Shipyard Road over Mine Brook?

It is owned by the Town or Township Highway Agency.