US Bridges

Wig Hill Road over Route 9

Fair

Middlesex County, Connecticut · 0.46 MI N of Main ST UP · Structure no. 03439

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
255 ft
2 main spans
Daily traffic
250
2022 count
Owner
State
State Highway Agency

About this bridge

Wig Hill Road over Route 9 is a steel continuous stringer/multi-beam or girder carrying Wig Hill Road over Route 9 in Middlesex County, Connecticut. It was built in 1968, so it is 57 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 371 by 2042. The structure is 255 ft (77.7 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWig Hill Road
CrossesRoute 9
Location0.46 MI N of Main ST UP
RouteCity Street 0
Coordinates41.4062, -72.47558
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length255 ft (77.7 m)
Longest span125 ft (38.1 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic371 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Wig Hill Road over Route 9 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Wig Hill Road over Route 9 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 2024.

How much traffic does Wig Hill Road over Route 9 carry?

About 250 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Wig Hill Road over Route 9?

The structure is 255 ft (77.7 m) long with a longest span of 125 ft (38.1 m) and a deck 35 ft wide.

Who owns Wig Hill Road over Route 9?

It is owned by the State Highway Agency.