US Bridges

Crown Street over Church Street Tunnel

Fair

New Haven County, Connecticut · Between Church & Temple · Structure no. 06535

Built
1963
62 years old, rebuilt 2017
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
4,500
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Crown Street over Church Street Tunnel is a steel stringer/multi-beam or girder carrying Crown Street over Church Street Tunnel in New Haven County, Connecticut. It was built in 1963 and reconstructed in 2017, so it is 62 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 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 4,500 vehicles a day, roughly 1% of them trucks, projected to reach 6,687 by 2038. The structure is 61 ft (18.6 m) long and 50 ft wide.

CarriesCrown Street
CrossesChurch Street Tunnel
LocationBetween Church & Temple
RouteCity Street 0
Coordinates41.3051, -72.92741
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating65.4 US tons

Structure

MaterialSteel
DeckOther
Main spans1
Design loadHL 93
Structure length61 ft (18.6 m)
Longest span55 ft (16.8 m)
Deck width50 ft (15.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2018)
Projected traffic6,687 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Crown Street over Church Street Tunnel built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2017.

What condition is Crown Street over Church Street Tunnel 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 July 2023.

How much traffic does Crown Street over Church Street Tunnel carry?

About 4,500 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Crown Street over Church Street Tunnel?

The structure is 61 ft (18.6 m) long with a longest span of 55 ft (16.8 m) and a deck 50 ft wide.

Who owns Crown Street over Church Street Tunnel?

It is owned by the City or Municipal Highway Agency.