US Bridges

Route 67 over Eight Mile Brook

Fair

New Haven County, Connecticut · Oxford-Southbury T.L. · Structure no. 01048

Built
1934
91 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
47 ft
2 main spans
Daily traffic
11,800
2020 count
Owner
State
State Highway Agency

About this bridge

Route 67 over Eight Mile Brook is a concrete slab carrying Route 67 over Eight Mile Brook in New Haven County, Connecticut. It was built in 1934, so it is 91 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 11,800 vehicles a day, roughly 4% of them trucks, projected to reach 17,534 by 2040. The structure is 47 ft (14.3 m) long and 35 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesRoute 67
CrossesEight Mile Brook
LocationOxford-Southbury T.L.
RouteState Highway 67
Coordinates41.46198, -73.1584
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length47 ft (14.3 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,800 (2020)
Projected traffic17,534 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 67 over Eight Mile Brook built?

It was built in 1934, making it 91 years old in 2025.

What condition is Route 67 over Eight Mile 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 June 2024.

How much traffic does Route 67 over Eight Mile Brook carry?

About 11,800 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Route 67 over Eight Mile Brook?

The structure is 47 ft (14.3 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns Route 67 over Eight Mile Brook?

It is owned by the State Highway Agency.