US Bridges

_pine Knob RD over _pine Knob Ck. Trib.

Good

Grayson County, Kentucky · 1.2 MI NW CR1396 · Structure no. 043C00059N

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
69
2019 count
Owner
County
County Highway Agency

About this bridge

_pine Knob RD over _pine Knob Ck. Trib. is a steel stringer/multi-beam or girder carrying _pine Knob RD over _pine Knob Ck. Trib. in Grayson County, Kentucky. It was built in 2016, so it is 9 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 69 vehicles a day, projected to reach 69 by 2039. The structure is 43 ft (13.1 m) long and 16 ft wide.

Carries_pine Knob RD
Crosses_pine Knob Ck. Trib.
Location1.2 MI NW CR1396
RouteCounty Highway 1557
Coordinates37.48194, -86.51056
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating75.5 US tons
Inventory rating45.3 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 25 or greater
Structure length43 ft (13.1 m)
Longest span38 ft (11.6 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2019)
Projected traffic69 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Ck. Trib. built?

It was built in 2016, making it 9 years old in 2025.

What condition is _pine Knob RD over _pine Knob Ck. Trib. 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 April 2023.

How much traffic does _pine Knob RD over _pine Knob Ck. Trib. carry?

About 69 vehicles per day (2019 count).

How long is _pine Knob RD over _pine Knob Ck. Trib.?

The structure is 43 ft (13.1 m) long with a longest span of 38 ft (11.6 m) and a deck 16 ft wide.

Who owns _pine Knob RD over _pine Knob Ck. Trib.?

It is owned by the County Highway Agency.