US Bridges

Saybrook Road over Route 9

Fair

Middlesex County, Connecticut · 3.25MI North of Haddam Tl · Structure no. 00631

Built
1959
66 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
398 ft
4 main spans
Daily traffic
10,582
2023 count
Owner
State
State Highway Agency

About this bridge

Saybrook Road over Route 9 is a steel stringer/multi-beam or girder carrying Saybrook Road over Route 9 in Middlesex County, Connecticut. It was built in 1959, so it is 66 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 10,582 vehicles a day, roughly 4% of them trucks, projected to reach 15,724 by 2043. The structure is 398 ft (121.3 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSaybrook Road
CrossesRoute 9
Location3.25MI North of Haddam Tl
RouteCity Street 0
CountyMiddlesex County
StateConnecticut
Coordinates41.54294, -72.62722
Functional classUrban Minor Arterial

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.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length398 ft (121.3 m)
Longest span117 ft (35.7 m)
Deck width53 ft (16.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,582 (2023)
Projected traffic15,724 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Saybrook Road over Route 9 built?

It was built in 1959, making it 66 years old in 2025.

What condition is Saybrook 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 April 2023.

How much traffic does Saybrook Road over Route 9 carry?

About 10,582 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Saybrook Road over Route 9?

The structure is 398 ft (121.3 m) long with a longest span of 117 ft (35.7 m) and a deck 53 ft wide.

Who owns Saybrook Road over Route 9?

It is owned by the State Highway Agency.