US Bridges

Route 118 over Spruce Brook

Fair

Litchfield County, Connecticut · 3.62 MI E of RTE 63 · Structure no. 01323

Built
1960
65 years old
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
4,000
2020 count
Owner
State
State Highway Agency

About this bridge

Route 118 over Spruce Brook is a prestressed concrete slab carrying Route 118 over Spruce Brook in Litchfield County, Connecticut. It was built in 1960, so it is 65 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 4,000 vehicles a day, roughly 3% of them trucks, projected to reach 5,944 by 2040. The structure is 27 ft (8.2 m) long and 46 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesRoute 118
CrossesSpruce Brook
Location3.62 MI E of RTE 63
RouteState Highway 118
Coordinates41.76159, -73.13614
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width46 ft (14 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2020)
Projected traffic5,944 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 118 over Spruce Brook built?

It was built in 1960, making it 65 years old in 2025.

What condition is Route 118 over Spruce 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 May 2023.

How much traffic does Route 118 over Spruce Brook carry?

About 4,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Route 118 over Spruce Brook?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 46 ft wide.

Who owns Route 118 over Spruce Brook?

It is owned by the State Highway Agency.