US Bridges

KY-100 over Sulphur Spring Creek

Good

Simpson County, Kentucky · 5.1 Mi. W JCT US 31W · Structure no. 107B00038N

Built
1996
29 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
2,372
2023 count
Owner
State
State Highway Agency

About this bridge

KY-100 over Sulphur Spring Creek is a prestressed concrete box beam or girders - single or spread carrying KY-100 over Sulphur Spring Creek in Simpson County, Kentucky. It was built in 1996, so it is 29 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 2,372 vehicles a day, roughly 15% of them trucks, projected to reach 2,372 by 2043. The structure is 53 ft (16.2 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesKY-100
CrossesSulphur Spring Creek
Location5.1 Mi. W JCT US 31W
RouteState Highway 100
CountySimpson County
StateKentucky
Coordinates36.73972, -86.66528
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,372 (2023)
Projected traffic2,372 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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-100 over Sulphur Spring Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is KY-100 over Sulphur Spring Creek 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 July 2023.

How much traffic does KY-100 over Sulphur Spring Creek carry?

About 2,372 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is KY-100 over Sulphur Spring Creek?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns KY-100 over Sulphur Spring Creek?

It is owned by the State Highway Agency.