US Bridges

Spring Street over Middle River

Fair

Tolland County, Connecticut · 100 Ft FR JCT Route 190 · Structure no. 04779

Built
1912
113 years old
Condition
Fair
inspected September 2023
Type
Arch - Deck
Masonry
Length
46 ft
1 main span
Daily traffic
914
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Spring Street over Middle River is a masonry arch - deck carrying Spring Street over Middle River in Tolland County, Connecticut. It was built in 1912, so it is 113 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 914 vehicles a day, roughly 7% of them trucks, projected to reach 1,358 by 2043. The structure is 46 ft (14 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSpring Street
CrossesMiddle River
Location100 Ft FR JCT Route 190
RouteCity Street 0
Coordinates41.95311, -72.30467
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span40 ft (12.2 m)
Deck width36 ft (11.1 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic914 (2023)
Projected traffic1,358 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Spring Street over Middle River built?

It was built in 1912, making it 113 years old in 2025.

What condition is Spring Street over Middle River 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 September 2023.

How much traffic does Spring Street over Middle River carry?

About 914 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Spring Street over Middle River?

The structure is 46 ft (14 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns Spring Street over Middle River?

It is owned by the Town or Township Highway Agency.