US Bridges

Christian Hill RD over Route 9

Fair

Middlesex County, Connecticut · 2.0 MI N of Route 81 · Structure no. 03289

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
255 ft
2 main spans
Daily traffic
681
2023 count
Owner
State
State Highway Agency

About this bridge

Christian Hill RD over Route 9 is a steel continuous stringer/multi-beam or girder carrying Christian Hill RD over Route 9 in Middlesex County, Connecticut. It was built in 1965, so it is 60 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 681 vehicles a day, roughly 4% of them trucks, projected to reach 1,012 by 2043. The structure is 255 ft (77.6 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesChristian Hill RD
CrossesRoute 9
Location2.0 MI N of Route 81
RouteCity Street 0
CountyMiddlesex County
StateConnecticut
Coordinates41.49651, -72.57178
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length255 ft (77.6 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 traffic681 (2023)
Projected traffic1,012 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Christian Hill RD over Route 9 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Christian Hill RD 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 September 2023.

How much traffic does Christian Hill RD over Route 9 carry?

About 681 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Christian Hill RD over Route 9?

The structure is 255 ft (77.6 m) long with a longest span of 125 ft (38.1 m) and a deck 35 ft wide.

Who owns Christian Hill RD over Route 9?

It is owned by the State Highway Agency.