US Bridges

Route 177 over Scott Swamp Brook

Fair

Hartford County, Connecticut · 185 Feet North of Route 6 · Structure no. 05859

Built
1989
36 years old
Condition
Fair
inspected January 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
16,400
2021 count
Owner
State
State Highway Agency

About this bridge

Route 177 over Scott Swamp Brook is a prestressed concrete slab carrying Route 177 over Scott Swamp Brook in Hartford 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 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 16,400 vehicles a day, roughly 4% of them trucks, projected to reach 24,369 by 2041. The structure is 28 ft (8.5 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 177
CrossesScott Swamp Brook
Location185 Feet North of Route 6
RouteState Highway 177
Coordinates41.70723, -72.87987
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width57 ft (17.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,400 (2021)
Projected traffic24,369 by 2041
Trucks4%
Lanes on structure3
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

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 Route 177 over Scott Swamp Brook built?

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

What condition is Route 177 over Scott Swamp 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 January 2024.

How much traffic does Route 177 over Scott Swamp Brook carry?

About 16,400 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Route 177 over Scott Swamp Brook?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 57 ft wide.

Who owns Route 177 over Scott Swamp Brook?

It is owned by the State Highway Agency.