US Bridges

Route 97 over Byron Brook

Good

New London County, Connecticut · 1.5 MI South of Route 207 · Structure no. 02588

Built
2012
13 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
5,100
2017 count
Owner
State
State Highway Agency

About this bridge

Route 97 over Byron Brook is a concrete slab carrying Route 97 over Byron Brook in New London County, Connecticut. It was built in 2012, so it is 13 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 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 5,100 vehicles a day, roughly 5% of them trucks, projected to reach 7,578 by 2037. The structure is 30 ft (9.1 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRoute 97
CrossesByron Brook
Location1.5 MI South of Route 207
RouteState Highway 97
Coordinates41.6054, -72.06033
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.8 US tons
Inventory rating50.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2017)
Projected traffic7,578 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 97 over Byron Brook built?

It was built in 2012, making it 13 years old in 2025.

What condition is Route 97 over Byron 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 January 2025.

How much traffic does Route 97 over Byron Brook carry?

About 5,100 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Route 97 over Byron Brook?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 36 ft wide.

Who owns Route 97 over Byron Brook?

It is owned by the State Highway Agency.