US Bridges

ST 49 Podunk RD over I 90

Fair

Worcester County, Massachusetts · Mm 79.2 · Structure no. S300474MRDOTNBI

Built
1957
68 years old, rebuilt 1993
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
276 ft
2 main spans
Daily traffic
8,790
2022 count
Owner
State
State Highway Agency

About this bridge

ST 49 Podunk RD over I 90 is a steel continuous stringer/multi-beam or girder carrying ST 49 Podunk RD over I 90 in Worcester County, Massachusetts. It was built in 1957 and reconstructed in 1993, so it is 68 years old, older than the Massachusetts average of 63.8 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 8,790 vehicles a day, roughly 5% of them trucks, projected to reach 12,792 by 2032. The structure is 276 ft (84.1 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesST 49 Podunk RD
CrossesI 90
LocationMm 79.2
RouteInterstate 90
CountyWorcester County
StateMassachusetts
Coordinates42.13361, -72.04731
Functional classUrban Other Principal Arterial

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.
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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length276 ft (84.1 m)
Longest span98 ft (30 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,790 (2022)
Projected traffic12,792 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$10.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 49 Podunk RD over I 90 built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1993.

What condition is ST 49 Podunk RD over I 90 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 2024.

How much traffic does ST 49 Podunk RD over I 90 carry?

About 8,790 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is ST 49 Podunk RD over I 90?

The structure is 276 ft (84.1 m) long with a longest span of 98 ft (30 m) and a deck 42 ft wide.

Who owns ST 49 Podunk RD over I 90?

It is owned by the State Highway Agency.