US Bridges

Route 20 over West Branch Salmon Brook

Fair

Hartford County, Connecticut · 0.4 MI West of Route 219 · Structure no. 00880

Built
1934
91 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
1,900
2022 count
Owner
State
State Highway Agency

About this bridge

Route 20 over West Branch Salmon Brook is a concrete slab carrying Route 20 over West Branch Salmon Brook in Hartford County, Connecticut. It was built in 1934, so it is 91 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 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 1,900 vehicles a day, roughly 2% of them trucks, projected to reach 2,823 by 2042. The structure is 28 ft (8.5 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 20
CrossesWest Branch Salmon Brook
Location0.4 MI West of Route 219
RouteState Highway 20
CountyHartford County
StateConnecticut
Coordinates41.96477, -72.85966
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic2,823 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 20 over West Branch Salmon Brook built?

It was built in 1934, making it 91 years old in 2025.

What condition is Route 20 over West Branch Salmon 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 August 2023.

How much traffic does Route 20 over West Branch Salmon Brook carry?

About 1,900 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Route 20 over West Branch Salmon Brook?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 35 ft wide.

Who owns Route 20 over West Branch Salmon Brook?

It is owned by the State Highway Agency.