US Bridges

So Anguilla Road over Anguilla Brook

Fair

New London County, Connecticut · 900 Ft South of Route 234 · Structure no. 04790

Built
1940
85 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
550
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

So Anguilla Road over Anguilla Brook is a concrete slab carrying So Anguilla Road over Anguilla Brook in New London County, Connecticut. It was built in 1940, so it is 85 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 550 vehicles a day, roughly 7% of them trucks, projected to reach 817 by 2044. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSo Anguilla Road
CrossesAnguilla Brook
Location900 Ft South of Route 234
RouteCity Street 0
Coordinates41.37973, -71.87234
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2024)
Projected traffic817 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 So Anguilla Road over Anguilla Brook built?

It was built in 1940, making it 85 years old in 2025.

What condition is So Anguilla Road over Anguilla 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 May 2024.

How much traffic does So Anguilla Road over Anguilla Brook carry?

About 550 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is So Anguilla Road over Anguilla Brook?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns So Anguilla Road over Anguilla Brook?

It is owned by the Town or Township Highway Agency.