US Bridges

Route 66 over Carlton Gut

Fair

St. Croix Island, U.S. Virgin Islands · Melvin H. Evan Highway · Structure no. STX6610

Built
1985
40 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
1,000
2019 count
Owner
State
State Highway Agency

About this bridge

Route 66 over Carlton Gut is a concrete culvert carrying Route 66 over Carlton Gut in St. Croix Island, U.S. Virgin Islands. It was built in 1985, so it is 40 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 1,000 vehicles a day, projected to reach 1,200 by 2029. The structure is 26 ft (8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRoute 66
CrossesCarlton Gut
LocationMelvin H. Evan Highway
RouteCounty Highway 0
Coordinates17.69273, -64.84085
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2019)
Projected traffic1,200 by 2029
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$132,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 66 over Carlton Gut built?

It was built in 1985, making it 40 years old in 2025.

What condition is Route 66 over Carlton Gut 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 66 over Carlton Gut carry?

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

How long is Route 66 over Carlton Gut?

The structure is 26 ft (8 m) long with a longest span of 8 ft (2.4 m).

Who owns Route 66 over Carlton Gut?

It is owned by the State Highway Agency.