US Bridges

Wisconsin Avenue over Elisha Brook

Fair

New London County, Connecticut · 1.5 Miles North of SR 642 · Structure no. 06199

Built
1975
50 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
1,800
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wisconsin Avenue over Elisha Brook is a steel culvert carrying Wisconsin Avenue over Elisha Brook in New London County, Connecticut. It was built in 1975, so it is 50 years old, younger 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 1,800 vehicles a day, roughly 3% of them trucks, projected to reach 2,675 by 2040. The structure is 24 ft (7.3 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWisconsin Avenue
CrossesElisha Brook
Location1.5 Miles North of SR 642
RouteCity Street 0
Coordinates41.57699, -72.11424
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width40 ft (12.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2020)
Projected traffic2,675 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Wisconsin Avenue over Elisha Brook built?

It was built in 1975, making it 50 years old in 2025.

What condition is Wisconsin Avenue over Elisha 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 September 2024.

How much traffic does Wisconsin Avenue over Elisha Brook carry?

About 1,800 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Wisconsin Avenue over Elisha Brook?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 40 ft wide.

Who owns Wisconsin Avenue over Elisha Brook?

It is owned by the City or Municipal Highway Agency.