US Bridges

Gum Sulpher RD over Trib. to Dix River

FairPosted for load

Rockcastle County, Kentucky · .05 MI NE of JCT US 150 · Structure no. 102C00025N

Built
1976
49 years old
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
76
2019 count
Owner
County
County Highway Agency

About this bridge

Gum Sulpher RD over Trib. to Dix River is a prestressed concrete box beam or girders - multiple carrying Gum Sulpher RD over Trib. to Dix River in Rockcastle County, Kentucky. It was built in 1976, so it is 49 years old, older than the Kentucky average of 46.6 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. Its operating status is: posted for load restriction.

It carries about 76 vehicles a day, projected to reach 76 by 2039. The structure is 30 ft (9.1 m) long and 15 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesGum Sulpher RD
CrossesTrib. to Dix River
Location.05 MI NE of JCT US 150
RouteCounty Highway 1380
CountyRockcastle County
StateKentucky
Coordinates37.42361, -84.45667
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width15 ft (4.6 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76 (2019)
Projected traffic76 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$56,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Gum Sulpher RD over Trib. to Dix River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Gum Sulpher RD over Trib. to Dix River 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 January 2023.

How much traffic does Gum Sulpher RD over Trib. to Dix River carry?

About 76 vehicles per day (2019 count).

How long is Gum Sulpher RD over Trib. to Dix River?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 15 ft wide.

Who owns Gum Sulpher RD over Trib. to Dix River?

It is owned by the County Highway Agency.