US Bridges

Underwood ST over I-95 NB & SB

Fair

Providence County, Rhode Island · 0.5 MI N of Seekonk River · Structure no. 000000000005560

Built
1964
61 years old, rebuilt 2005
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
167 ft
3 main spans
Daily traffic
1,919
2014 count
Owner
State
State Highway Agency

About this bridge

Underwood ST over I-95 NB & SB is a steel stringer/multi-beam or girder carrying Underwood ST over I-95 NB & SB in Providence County, Rhode Island. It was built in 1964 and reconstructed in 2005, so it is 61 years old, older than the Rhode Island average of 54.5 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 1,919 vehicles a day, roughly 3% of them trucks, projected to reach 2,303 by 2036. The structure is 167 ft (50.9 m) long and 50 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUnderwood ST
CrossesI-95 NB & SB
Location0.5 MI N of Seekonk River
RouteState Highway 114
Coordinates41.87806, -71.3789
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 alignment6: Equal to present minimum criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span80 ft (24.4 m)
Deck width50 ft (15.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,919 (2014)
Projected traffic2,303 by 2036
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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$12.2 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Underwood ST over I-95 NB & SB built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2005.

What condition is Underwood ST over I-95 NB & SB 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 October 2023.

How much traffic does Underwood ST over I-95 NB & SB carry?

About 1,919 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is Underwood ST over I-95 NB & SB?

The structure is 167 ft (50.9 m) long with a longest span of 80 ft (24.4 m) and a deck 50 ft wide.

Who owns Underwood ST over I-95 NB & SB?

It is owned by the State Highway Agency.