US Bridges

Porchuck Road over East Branch Byram River

Good

Fairfield County, Connecticut · O/E Branch Byram Rv · Structure no. 05015

Built
2009
16 years old
Condition
Good
inspected May 2023
Type
Frame
Concrete
Length
25 ft
1 main span
Daily traffic
790
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Porchuck Road over East Branch Byram River is a concrete frame carrying Porchuck Road over East Branch Byram River in Fairfield County, Connecticut. It was built in 2009, so it is 16 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 790 vehicles a day, roughly 5% of them trucks, projected to reach 1,174 by 2043. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPorchuck Road
CrossesEast Branch Byram River
LocationO/E Branch Byram Rv
RouteCity Street 0
Coordinates41.07999, -73.67745
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating65.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic790 (2023)
Projected traffic1,174 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Porchuck Road over East Branch Byram River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Porchuck Road over East Branch Byram River 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 May 2023.

How much traffic does Porchuck Road over East Branch Byram River carry?

About 790 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Porchuck Road over East Branch Byram River?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 29 ft wide.

Who owns Porchuck Road over East Branch Byram River?

It is owned by the Town or Township Highway Agency.