US Bridges

KY-743 over Sulphur Branch

Good

Edmonson County, Kentucky · 0.39 MI S of JCT W/Ky 101 · Structure no. 031B00038N

Built
2015
10 years old
Condition
Good
inspected June 2022
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
1,976
2023 count
Owner
State
State Highway Agency

About this bridge

KY-743 over Sulphur Branch is a prestressed concrete box beam or girders - single or spread carrying KY-743 over Sulphur Branch in Edmonson County, Kentucky. It was built in 2015, so it is 10 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,976 vehicles a day, projected to reach 1,976 by 2043. The structure is 50 ft (15.1 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKY-743
CrossesSulphur Branch
Location0.39 MI S of JCT W/Ky 101
RouteState Highway 743
CountyEdmonson County
StateKentucky
Coordinates37.11917, -86.24056
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.5 US tons
Inventory rating51 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length50 ft (15.1 m)
Longest span46 ft (14 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,976 (2023)
Projected traffic1,976 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-743 over Sulphur Branch built?

It was built in 2015, making it 10 years old in 2025.

What condition is KY-743 over Sulphur Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2022.

How much traffic does KY-743 over Sulphur Branch carry?

About 1,976 vehicles per day (2023 count).

How long is KY-743 over Sulphur Branch?

The structure is 50 ft (15.1 m) long with a longest span of 46 ft (14 m) and a deck 35 ft wide.

Who owns KY-743 over Sulphur Branch?

It is owned by the State Highway Agency.