US Bridges

KY-3170 over N.Fk Licking River

PoorPosted for load

Mason County, Kentucky · .13 MI W of JCT New Ky 11 · Structure no. 081B00004N

Built
1941
84 years old
Condition
Poor
inspected November 2023
Type
Tee Beam
Concrete
Length
192 ft
4 main spans
Daily traffic
292
2020 count
Owner
State
State Highway Agency

About this bridge

KY-3170 over N.Fk Licking River is a concrete tee beam carrying KY-3170 over N.Fk Licking River in Mason County, Kentucky. It was built in 1941, so it is 84 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 292 vehicles a day, projected to reach 292 by 2040. The structure is 192 ft (58.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKY-3170
CrossesN.Fk Licking River
Location.13 MI W of JCT New Ky 11
RouteState Highway 3170
Coordinates38.54917, -83.76556
Functional classRural Local

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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.1 US tons
Inventory rating28.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length192 ft (58.5 m)
Longest span45 ft (13.7 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic292 (2020)
Projected traffic292 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-3170 over N.Fk Licking River built?

It was built in 1941, making it 84 years old in 2025.

What condition is KY-3170 over N.Fk Licking River 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 November 2023.

How much traffic does KY-3170 over N.Fk Licking River carry?

About 292 vehicles per day (2020 count).

How long is KY-3170 over N.Fk Licking River?

The structure is 192 ft (58.5 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.

Who owns KY-3170 over N.Fk Licking River?

It is owned by the State Highway Agency.