US Bridges

Harbrson LN over Chaplin River

Fair

Boyle County, Kentucky · .1 MI E of JCT Ky 1856 · Structure no. 011C00007N

Built
1950
75 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
90 ft
2 main spans
Daily traffic
253
2019 count
Owner
County
County Highway Agency

About this bridge

Harbrson LN over Chaplin River is a prestressed concrete box beam or girders - multiple carrying Harbrson LN over Chaplin River in Boyle County, Kentucky. It was built in 1950, so it is 75 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 253 vehicles a day, projected to reach 253 by 2039. The structure is 90 ft (27.4 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHarbrson LN
CrossesChaplin River
Location.1 MI E of JCT Ky 1856
RouteCounty Highway 1203
CountyBoyle County
StateKentucky
Coordinates37.62583, -84.94056
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84.5 US tons
Inventory rating50.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length90 ft (27.4 m)
Longest span42 ft (12.7 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic253 (2019)
Projected traffic253 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-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 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 Harbrson LN over Chaplin River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Harbrson LN over Chaplin River 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 September 2024.

How much traffic does Harbrson LN over Chaplin River carry?

About 253 vehicles per day (2019 count).

How long is Harbrson LN over Chaplin River?

The structure is 90 ft (27.4 m) long with a longest span of 42 ft (12.7 m) and a deck 25 ft wide.

Who owns Harbrson LN over Chaplin River?

It is owned by the County Highway Agency.