US Bridges

Route 118 over Naugatuck Railroad

Fair

Litchfield County, Connecticut · 0.2 MI W of Route 8 · Structure no. 01324

Built
1963
62 years old, rebuilt 1992
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
136 ft
3 main spans
Daily traffic
3,900
2020 count
Owner
State
State Highway Agency

About this bridge

Route 118 over Naugatuck Railroad is a steel stringer/multi-beam or girder carrying Route 118 over Naugatuck Railroad in Litchfield County, Connecticut. It was built in 1963 and reconstructed in 1992, so it is 62 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 3,900 vehicles a day, roughly 5% of them trucks, projected to reach 5,795 by 2040. The structure is 136 ft (41.4 m) long and 46 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRoute 118
CrossesNaugatuck Railroad
Location0.2 MI W of Route 8
RouteState Highway 118
CountyLitchfield County
StateConnecticut
Coordinates41.76444, -73.11833
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating97 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length136 ft (41.4 m)
Longest span44 ft (13.4 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2020)
Projected traffic5,795 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.1 mi (13 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 118 over Naugatuck Railroad built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1992.

What condition is Route 118 over Naugatuck Railroad 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 September 2023.

How much traffic does Route 118 over Naugatuck Railroad carry?

About 3,900 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Route 118 over Naugatuck Railroad?

The structure is 136 ft (41.4 m) long with a longest span of 44 ft (13.4 m) and a deck 46 ft wide.

Who owns Route 118 over Naugatuck Railroad?

It is owned by the State Highway Agency.