US Bridges

Route 71 over Sodom Brook

Good

New Haven County, Connecticut · 0.8 Mile South of I-691 · Structure no. 01081

Built
2019
6 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
141,900
2019 count
Owner
State
State Highway Agency

About this bridge

Route 71 over Sodom Brook is a steel stringer/multi-beam or girder carrying Route 71 over Sodom Brook in New Haven County, Connecticut. It was built in 2019, so it is 6 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 141,900 vehicles a day, roughly 6% of them trucks, projected to reach 210,849 by 2039. The structure is 55 ft (16.8 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 71
CrossesSodom Brook
Location0.8 Mile South of I-691
RouteState Highway 71
Coordinates41.53963, -72.81593
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span51 ft (15.5 m)
Deck width62 ft (19 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141,900 (2019)
Projected traffic210,849 by 2039
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 71 over Sodom Brook built?

It was built in 2019, making it 6 years old in 2025.

What condition is Route 71 over Sodom Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Route 71 over Sodom Brook carry?

About 141,900 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Route 71 over Sodom Brook?

The structure is 55 ft (16.8 m) long with a longest span of 51 ft (15.5 m) and a deck 62 ft wide.

Who owns Route 71 over Sodom Brook?

It is owned by the State Highway Agency.