US Bridges

KY-3630 over Sturgeon Creek

FairPosted for load

Jackson County, Kentucky · 3.6 MI NE of JCT Ky 1431 · Structure no. 055B00034N

Built
1975
50 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
188
2023 count
Owner
State
State Highway Agency

About this bridge

KY-3630 over Sturgeon Creek is a prestressed concrete box beam or girders - multiple carrying KY-3630 over Sturgeon Creek in Jackson County, Kentucky. It was built in 1975, so it is 50 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 5 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 188 vehicles a day, roughly 6% of them trucks, projected to reach 188 by 2043. The structure is 45 ft (13.7 m) long and 21 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesKY-3630
CrossesSturgeon Creek
Location3.6 MI NE of JCT Ky 1431
RouteState Highway 3630
CountyJackson County
StateKentucky
Coordinates37.39722, -83.84556
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic188 (2023)
Projected traffic188 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$119,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-3630 over Sturgeon Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is KY-3630 over Sturgeon Creek 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 KY-3630 over Sturgeon Creek carry?

About 188 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is KY-3630 over Sturgeon Creek?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 21 ft wide.

Who owns KY-3630 over Sturgeon Creek?

It is owned by the State Highway Agency.