US Bridges

Route 20 over West Branch Salmon Brook

Fair

Hartford County, Connecticut · 0.2 Mile West of Rte. 219 · Structure no. 00881

Built
1957
68 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
52 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 steel stringer/multi-beam or girder carrying Route 20 over West Branch Salmon Brook in Hartford County, Connecticut. It was built in 1957, so it is 68 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 1,900 vehicles a day, roughly 2% of them trucks, projected to reach 2,823 by 2042. The structure is 52 ft (15.9 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 20
CrossesWest Branch Salmon Brook
Location0.2 Mile West of Rte. 219
RouteState Highway 20
Coordinates41.96254, -72.85795
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span44 ft (13.4 m)
Deck width40 ft (12.1 m)
Roadway width34 ft (10.4 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 closed1.9 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 20 over West Branch Salmon Brook built?

It was built in 1957, making it 68 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 October 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 52 ft (15.9 m) long with a longest span of 44 ft (13.4 m) and a deck 40 ft wide.

Who owns Route 20 over West Branch Salmon Brook?

It is owned by the State Highway Agency.