US Bridges

Route 80 over Unnamed Creek

Fair

St. Croix Island, U.S. Virgin Islands · Northshore Road · Structure no. STX8001

Built
1990
35 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
100
2019 count
Owner
State
State Highway Agency

About this bridge

Route 80 over Unnamed Creek is a concrete culvert carrying Route 80 over Unnamed Creek in St. Croix Island, U.S. Virgin Islands. It was built in 1990, so it is 35 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 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 100 vehicles a day, projected to reach 120 by 2029. The structure is 23 ft (6.9 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRoute 80
CrossesUnnamed Creek
LocationNorthshore Road
RouteCounty Highway 0
Coordinates17.75878, -64.76507
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span6 ft (1.8 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic120 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$84,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 80 over Unnamed Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Route 80 over Unnamed Creek 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 80 over Unnamed Creek carry?

About 100 vehicles per day (2019 count).

How long is Route 80 over Unnamed Creek?

The structure is 23 ft (6.9 m) long with a longest span of 6 ft (1.8 m) and a deck 29 ft wide.

Who owns Route 80 over Unnamed Creek?

It is owned by the State Highway Agency.