US Bridges

Route 70 over Unnamed Gut

PoorPosted for load

St. Croix Island, U.S. Virgin Islands · Centerline Road · Structure no. STX7020

Built
1910
115 years old
Condition
Poor
inspected February 2024
Type
Culvert
Masonry
Length
34 ft
3 main spans
Daily traffic
1,000
2019 count
Owner
State
State Highway Agency

About this bridge

Route 70 over Unnamed Gut is a masonry culvert carrying Route 70 over Unnamed Gut in St. Croix Island, U.S. Virgin Islands. It was built in 1910, so it is 115 years old, older than the U.S. Virgin Islands average of 51.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, projected to reach 1,200 by 2029. The structure is 34 ft (10.3 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRoute 70
CrossesUnnamed Gut
LocationCenterline Road
RouteCounty Highway 0
CountySt. Croix Island
StateU.S. Virgin Islands
Coordinates17.71948, -64.80307
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckNot applicable
Main spans3
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span11 ft (3.3 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2019)
Projected traffic1,200 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$910,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 70 over Unnamed Gut built?

It was built in 1910, making it 115 years old in 2025.

What condition is Route 70 over Unnamed Gut in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Route 70 over Unnamed Gut carry?

About 1,000 vehicles per day (2019 count).

How long is Route 70 over Unnamed Gut?

The structure is 34 ft (10.3 m) long with a longest span of 11 ft (3.3 m) and a deck 25 ft wide.

Who owns Route 70 over Unnamed Gut?

It is owned by the State Highway Agency.