US Bridges

Shelter Rock Road over East Swamp Brook

Good

Fairfield County, Connecticut · Danbury Bethel Town Line · Structure no. 05733

Built
1989
36 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
5,845
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Shelter Rock Road over East Swamp Brook is a concrete culvert carrying Shelter Rock Road over East Swamp Brook in Fairfield County, Connecticut. It was built in 1989, so it is 36 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,845 vehicles a day, roughly 3% of them trucks, projected to reach 8,685 by 2043. The structure is 22 ft (6.7 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesShelter Rock Road
CrossesEast Swamp Brook
LocationDanbury Bethel Town Line
RouteCity Street 0
CountyFairfield County
StateConnecticut
Coordinates41.39574, -73.40728
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,845 (2023)
Projected traffic8,685 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Shelter Rock Road over East Swamp Brook built?

It was built in 1989, making it 36 years old in 2025.

What condition is Shelter Rock Road over East Swamp Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Shelter Rock Road over East Swamp Brook carry?

About 5,845 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Shelter Rock Road over East Swamp Brook?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns Shelter Rock Road over East Swamp Brook?

It is owned by the Town or Township Highway Agency.