US Bridges

Pine Knob RD over Pine Knob Creek

FairPosted for load

Grayson County, Kentucky · 1.7 Mi. NW JCT CR 5396 · Structure no. 043C00034N

Built
1985
40 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
69
2019 count
Owner
County
County Highway Agency

About this bridge

Pine Knob RD over Pine Knob Creek is a steel stringer/multi-beam or girder carrying Pine Knob RD over Pine Knob Creek in Grayson County, Kentucky. It was built in 1985, so it is 40 years old, younger 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 69 vehicles a day, projected to reach 69 by 2039. The structure is 35 ft (10.7 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesPine Knob RD
CrossesPine Knob Creek
Location1.7 Mi. NW JCT CR 5396
RouteCounty Highway 1557
CountyGrayson County
StateKentucky
Coordinates37.48611, -86.51639
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating39.4 US tons
Inventory rating23.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width14 ft (4.4 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2019)
Projected traffic69 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Pine Knob RD over Pine Knob Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Pine Knob RD over Pine Knob 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 April 2024.

How much traffic does Pine Knob RD over Pine Knob Creek carry?

About 69 vehicles per day (2019 count).

How long is Pine Knob RD over Pine Knob Creek?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 14 ft wide.

Who owns Pine Knob RD over Pine Knob Creek?

It is owned by the County Highway Agency.