US Bridges

Center Street over Middle River

Fair

Tolland County, Connecticut · 130 Ft FR JCT West Street · Structure no. 04780

Built
1870
155 years old, rebuilt 1939
Condition
Fair
inspected September 2023
Type
Arch - Deck
Masonry
Length
29 ft
1 main span
Daily traffic
600
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Center Street over Middle River is a masonry arch - deck carrying Center Street over Middle River in Tolland County, Connecticut. It was built in 1870 and reconstructed in 1939, so it is 155 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 892 by 2040. The structure is 29 ft (8.8 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCenter Street
CrossesMiddle River
Location130 Ft FR JCT West Street
RouteCity Street 0
Coordinates41.95674, -72.31404
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 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 rating47 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width36 ft (11 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2020)
Projected traffic892 by 2040
Trucks5%
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 Center Street over Middle River built?

It was built in 1870, making it 155 years old in 2025. It was reconstructed in 1939.

What condition is Center 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 Center Street over Middle River carry?

About 600 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Center Street over Middle River?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 36 ft wide.

Who owns Center Street over Middle River?

It is owned by the Town or Township Highway Agency.