US Bridges

Route 73 over Unnamed Gut

Fair

St. Croix Island, U.S. Virgin Islands · Highway 73 · Structure no. STX7310

Built
2006
19 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
140 ft
4 main spans
Daily traffic
120
2019 count
Owner
State
State Highway Agency

About this bridge

Route 73 over Unnamed Gut is a concrete slab carrying Route 73 over Unnamed Gut in St. Croix Island, U.S. Virgin Islands. It was built in 2006, so it is 19 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 120 vehicles a day, projected to reach 124 by 2029. The structure is 140 ft (42.7 m) long and 38 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRoute 73
CrossesUnnamed Gut
LocationHighway 73
RouteCounty Highway 0
Coordinates17.75141, -64.78779
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length140 ft (42.7 m)
Longest span38 ft (11.7 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2019)
Projected traffic124 by 2029
Trucks—
Lanes on structure2
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$53,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 73 over Unnamed Gut built?

It was built in 2006, making it 19 years old in 2025.

What condition is Route 73 over Unnamed 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 73 over Unnamed Gut carry?

About 120 vehicles per day (2019 count).

How long is Route 73 over Unnamed Gut?

The structure is 140 ft (42.7 m) long with a longest span of 38 ft (11.7 m) and a deck 38 ft wide.

Who owns Route 73 over Unnamed Gut?

It is owned by the State Highway Agency.