US Bridges

Route 12 over Five Mile River

Good

Windham County, Connecticut · At JCT With US Route 6 · Structure no. 06256

Built
1993
32 years old
Condition
Good
inspected September 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
7,600
2019 count
Owner
State
State Highway Agency

About this bridge

Route 12 over Five Mile River is a prestressed concrete stringer/multi-beam or girder carrying Route 12 over Five Mile River in Windham County, Connecticut. It was built in 1993, so it is 32 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 7,600 vehicles a day, roughly 3% of them trucks, projected to reach 11,293 by 2039. The structure is 93 ft (28.3 m) long and 82 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 12
CrossesFive Mile River
LocationAt JCT With US Route 6
RouteState Highway 12
Coordinates41.80238, -71.88622
Functional classRural Major Collector

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 inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating71.8 US tons
Inventory rating56.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span85 ft (25.9 m)
Deck width82 ft (25 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2019)
Projected traffic11,293 by 2039
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 12 over Five Mile River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Route 12 over Five Mile River 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 September 2021.

How much traffic does Route 12 over Five Mile River carry?

About 7,600 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Route 12 over Five Mile River?

The structure is 93 ft (28.3 m) long with a longest span of 85 ft (25.9 m) and a deck 82 ft wide.

Who owns Route 12 over Five Mile River?

It is owned by the State Highway Agency.