US Bridges

SR 625 over AMTRAK Railroad

Fair

Middlesex County, Connecticut · 0.2 MI N of US Route 1 · Structure no. 03527

Built
1890
135 years old, rebuilt 1968
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
3,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR 625 over AMTRAK Railroad is a prestressed concrete box beam or girders - multiple carrying SR 625 over AMTRAK Railroad in Middlesex County, Connecticut. It was built in 1890 and reconstructed in 1968, so it is 135 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.

It carries about 3,500 vehicles a day, roughly 3% of them trucks, projected to reach 5,201 by 2042. The structure is 34 ft (10.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR 625
CrossesAMTRAK Railroad
Location0.2 MI N of US Route 1
RouteState Highway 625
CountyMiddlesex County
StateConnecticut
Coordinates41.27765, -72.48534
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 alignment7: Better than present minimum criteria
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span31 ft (9.3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2022)
Projected traffic5,201 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 625 over AMTRAK Railroad built?

It was built in 1890, making it 135 years old in 2025. It was reconstructed in 1968.

What condition is SR 625 over AMTRAK Railroad 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 April 2024.

How much traffic does SR 625 over AMTRAK Railroad carry?

About 3,500 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is SR 625 over AMTRAK Railroad?

The structure is 34 ft (10.5 m) long with a longest span of 31 ft (9.3 m) and a deck 28 ft wide.

Who owns SR 625 over AMTRAK Railroad?

It is owned by the State Highway Agency.