US Bridges

Spruce Brook Road over Transylvania Brk Ovrflow

Good

New Haven County, Connecticut · 300 West of Route 172 · Structure no. 07012

Built
2018
7 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
371
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Spruce Brook Road over Transylvania Brk Ovrflow is a concrete culvert carrying Spruce Brook Road over Transylvania Brk Ovrflow in New Haven County, Connecticut. It was built in 2018, so it is 7 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 371 vehicles a day, roughly 4% of them trucks, projected to reach 551 by 2044. The structure is 45 ft (13.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSpruce Brook Road
CrossesTransylvania Brk Ovrflow
Location300 West of Route 172
RouteCity Street 0
Coordinates41.48322, -73.25875
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span14 ft (4.3 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic371 (2024)
Projected traffic551 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.9 mi (3 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 Spruce Brook Road over Transylvania Brk Ovrflow built?

It was built in 2018, making it 7 years old in 2025.

What condition is Spruce Brook Road over Transylvania Brk Ovrflow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Spruce Brook Road over Transylvania Brk Ovrflow carry?

About 371 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Spruce Brook Road over Transylvania Brk Ovrflow?

The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m) and a deck 31 ft wide.

Who owns Spruce Brook Road over Transylvania Brk Ovrflow?

It is owned by the Town or Township Highway Agency.