US Bridges

Ssr 454 over Indian Hole Brook

Fair

Fairfield County, Connecticut · 0.5 Mile N of Rt 110 · Structure no. 01602

Built
1910
115 years old, rebuilt 2021
Condition
Fair
inspected July 2024
Type
Arch - Deck
Masonry
Length
24 ft
1 main span
Daily traffic
700
2020 count
Owner
State
State Highway Agency

About this bridge

Ssr 454 over Indian Hole Brook is a masonry arch - deck carrying Ssr 454 over Indian Hole Brook in Fairfield County, Connecticut. It was built in 1910 and reconstructed in 2021, so it is 115 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 700 vehicles a day, roughly 2% of them trucks, projected to reach 1,040 by 2040. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSsr 454
CrossesIndian Hole Brook
Location0.5 Mile N of Rt 110
RouteState Highway 454
Coordinates41.33893, -73.12456
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2020)
Projected traffic1,040 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ssr 454 over Indian Hole Brook built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 2021.

What condition is Ssr 454 over Indian Hole 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 July 2024.

How much traffic does Ssr 454 over Indian Hole Brook carry?

About 700 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Ssr 454 over Indian Hole Brook?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns Ssr 454 over Indian Hole Brook?

It is owned by the State Highway Agency.