US Bridges

South Center ST over INTERSTATE-91

Fair

Hartford County, Connecticut · 2.6 MI North of Route 75 · Structure no. 06094

Built
1992
33 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
289 ft
2 main spans
Daily traffic
3,700
2022 count
Owner
State
State Highway Agency

About this bridge

South Center ST over INTERSTATE-91 is a steel continuous stringer/multi-beam or girder carrying South Center ST over INTERSTATE-91 in Hartford County, Connecticut. It was built in 1992, so it is 33 years old, younger 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 6 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 3,700 vehicles a day, roughly 5% of them trucks, projected to reach 5,498 by 2042. The structure is 289 ft (88.1 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSouth Center ST
CrossesINTERSTATE-91
Location2.6 MI North of Route 75
RouteCity Street 0
Coordinates41.90435, -72.63478
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length289 ft (88.1 m)
Longest span141 ft (43 m)
Deck width57 ft (17.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2022)
Projected traffic5,498 by 2042
Trucks5%
Lanes on structure2
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 South Center ST over INTERSTATE-91 built?

It was built in 1992, making it 33 years old in 2025.

What condition is South Center ST over INTERSTATE-91 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 December 2022.

How much traffic does South Center ST over INTERSTATE-91 carry?

About 3,700 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is South Center ST over INTERSTATE-91?

The structure is 289 ft (88.1 m) long with a longest span of 141 ft (43 m) and a deck 57 ft wide.

Who owns South Center ST over INTERSTATE-91?

It is owned by the State Highway Agency.