US Bridges

Route 30 over Turpentine Run

Fair

St. Thomas Island, U.S. Virgin Islands · .01 Miles from HWY 32 · Structure no. STT003

Built
1994
31 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
154 ft
3 main spans
Daily traffic
600
2019 count
Owner
State
State Highway Agency

About this bridge

Route 30 over Turpentine Run is a prestressed concrete box beam or girders - multiple carrying Route 30 over Turpentine Run in St. Thomas Island, U.S. Virgin Islands. It was built in 1994, so it is 31 years old, younger than the U.S. Virgin Islands average of 51.6 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 600 vehicles a day, projected to reach 800 by 2029. The structure is 154 ft (46.9 m) long and 45 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRoute 30
CrossesTurpentine Run
Location.01 Miles from HWY 32
RouteCounty Highway 0
CountySt. Thomas Island
StateU.S. Virgin Islands
Coordinates18.3208, -64.87801
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length154 ft (46.9 m)
Longest span60 ft (18.3 m)
Deck width45 ft (13.6 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2019)
Projected traffic800 by 2029
Trucks—
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$15,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 30 over Turpentine Run built?

It was built in 1994, making it 31 years old in 2025.

What condition is Route 30 over Turpentine Run 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 February 2024.

How much traffic does Route 30 over Turpentine Run carry?

About 600 vehicles per day (2019 count).

How long is Route 30 over Turpentine Run?

The structure is 154 ft (46.9 m) long with a longest span of 60 ft (18.3 m) and a deck 45 ft wide.

Who owns Route 30 over Turpentine Run?

It is owned by the State Highway Agency.