US Bridges

KY-312 over Craig Creek

Good

Laurel County, Kentucky · 1.8 MI S.E. of JCT Ky 192 · Structure no. 063B00123N

Built
2018
7 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
172 ft
2 main spans
Daily traffic
794
2016 count
Owner
State
State Highway Agency

About this bridge

KY-312 over Craig Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying KY-312 over Craig Creek in Laurel County, Kentucky. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 794 vehicles a day, roughly 7% of them trucks, projected to reach 738 by 2036. The structure is 172 ft (52.3 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKY-312
CrossesCraig Creek
Location1.8 MI S.E. of JCT Ky 192
RouteState Highway 312
CountyLaurel County
StateKentucky
Coordinates37.01889, -84.17972
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length172 ft (52.3 m)
Longest span89 ft (27 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic794 (2016)
Projected traffic738 by 2036
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-312 over Craig Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is KY-312 over Craig 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 June 2024.

How much traffic does KY-312 over Craig Creek carry?

About 794 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is KY-312 over Craig Creek?

The structure is 172 ft (52.3 m) long with a longest span of 89 ft (27 m) and a deck 31 ft wide.

Who owns KY-312 over Craig Creek?

It is owned by the State Highway Agency.