US Bridges

Starr Avenue over Kohanza Brook

Fair

Fairfield County, Connecticut · 225 Ft N of I-84 · Structure no. 04079

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
12,806
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Starr Avenue over Kohanza Brook is a concrete continuous culvert carrying Starr Avenue over Kohanza Brook in Fairfield County, Connecticut. It was built in 1960, so it is 65 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 12,806 vehicles a day, roughly 4% of them trucks, projected to reach 19,028 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesStarr Avenue
CrossesKohanza Brook
Location225 Ft N of I-84
RouteCity Street 0
Coordinates41.40309, -73.46461
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,806 (2024)
Projected traffic19,028 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Starr Avenue over Kohanza Brook built?

It was built in 1960, making it 65 years old in 2025.

What condition is Starr Avenue over Kohanza Brook 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 Starr Avenue over Kohanza Brook carry?

About 12,806 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Starr Avenue over Kohanza Brook?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).

Who owns Starr Avenue over Kohanza Brook?

It is owned by the City or Municipal Highway Agency.