US Bridges

Glenville Street over Byram River

Fair

Fairfield County, Connecticut · 0.6 Mile East of Route 15 · Structure no. 03672

Built
1948
77 years old
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete
Length
53 ft
1 main span
Daily traffic
12,160
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Glenville Street over Byram River is a concrete arch - deck carrying Glenville Street over Byram River in Fairfield County, Connecticut. It was built in 1948, so it is 77 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 12,160 vehicles a day, roughly 3% of them trucks, projected to reach 18,069 by 2043. The structure is 53 ft (16.2 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGlenville Street
CrossesByram River
Location0.6 Mile East of Route 15
RouteCity Street 0
Coordinates41.03859, -73.66529
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span53 ft (16.2 m)
Deck width49 ft (14.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,160 (2023)
Projected traffic18,069 by 2043
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Glenville Street over Byram River built?

It was built in 1948, making it 77 years old in 2025.

What condition is Glenville Street over Byram River 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 2023.

How much traffic does Glenville Street over Byram River carry?

About 12,160 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Glenville Street over Byram River?

The structure is 53 ft (16.2 m) long with a longest span of 53 ft (16.2 m) and a deck 49 ft wide.

Who owns Glenville Street over Byram River?

It is owned by the Town or Township Highway Agency.