US Bridges

Benham Street over Route 15

Good

New Haven County, Connecticut · 0.3 MI S of Route 10 · Structure no. 00781

Built
1949
76 years old, rebuilt 1990
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
114 ft
2 main spans
Daily traffic
8,600
2021 count
Owner
State
State Highway Agency

About this bridge

Benham Street over Route 15 is a steel continuous stringer/multi-beam or girder carrying Benham Street over Route 15 in New Haven County, Connecticut. It was built in 1949 and reconstructed in 1990, so it is 76 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,600 vehicles a day, roughly 5% of them trucks, projected to reach 12,779 by 2041. The structure is 114 ft (34.7 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBenham Street
CrossesRoute 15
Location0.3 MI S of Route 10
RouteCity Street 0
Coordinates41.36435, -72.92856
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span54 ft (16.5 m)
Deck width52 ft (15.9 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2021)
Projected traffic12,779 by 2041
Trucks5%
Lanes on structure3
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 Benham Street over Route 15 built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1990.

What condition is Benham Street over Route 15 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 May 2023.

How much traffic does Benham Street over Route 15 carry?

About 8,600 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Benham Street over Route 15?

The structure is 114 ft (34.7 m) long with a longest span of 54 ft (16.5 m) and a deck 52 ft wide.

Who owns Benham Street over Route 15?

It is owned by the State Highway Agency.