US Bridges

KY-100 over Little Sulphur Creek

PoorPosted for load

Monroe County, Kentucky · .30 MI West of JCT Ky 214 · Structure no. 086B00006N

Built
1929
96 years old
Condition
Poor
inspected May 2024
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
569
2021 count
Owner
State
State Highway Agency

About this bridge

KY-100 over Little Sulphur Creek is a concrete tee beam carrying KY-100 over Little Sulphur Creek in Monroe County, Kentucky. It was built in 1929, so it is 96 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 569 vehicles a day, projected to reach 569 by 2041. The structure is 43 ft (13 m) long and 22 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesKY-100
CrossesLittle Sulphur Creek
Location.30 MI West of JCT Ky 214
RouteState Highway 100
CountyMonroe County
StateKentucky
Coordinates36.70583, -85.59306
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.6 US tons
Inventory rating36.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13 m)
Longest span40 ft (12.2 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic569 (2021)
Projected traffic569 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$107,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-100 over Little Sulphur Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is KY-100 over Little Sulphur Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

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

About 569 vehicles per day (2021 count).

How long is KY-100 over Little Sulphur Creek?

The structure is 43 ft (13 m) long with a longest span of 40 ft (12.2 m) and a deck 22 ft wide.

Who owns KY-100 over Little Sulphur Creek?

It is owned by the State Highway Agency.