US Bridges

KY-1787 over Davis Branch

PoorPosted for load

Rockcastle County, Kentucky · 2.9 MI NW of JCT Ky 1912 · Structure no. 102B00033N

Built
1969
56 years old
Condition
Poor
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
135
2023 count
Owner
State
State Highway Agency

About this bridge

KY-1787 over Davis Branch is a prestressed concrete box beam or girders - multiple carrying KY-1787 over Davis Branch in Rockcastle County, Kentucky. It was built in 1969, so it is 56 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 135 vehicles a day, projected to reach 135 by 2043. The structure is 30 ft (9.1 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesKY-1787
CrossesDavis Branch
Location2.9 MI NW of JCT Ky 1912
RouteState Highway 1787
CountyRockcastle County
StateKentucky
Coordinates37.4875, -84.25694
Functional classRural Minor Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating30 US tons
Inventory rating18 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2023)
Projected traffic135 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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-1787 over Davis Branch built?

It was built in 1969, making it 56 years old in 2025.

What condition is KY-1787 over Davis Branch 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 September 2024.

How much traffic does KY-1787 over Davis Branch carry?

About 135 vehicles per day (2023 count).

How long is KY-1787 over Davis Branch?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.7 m) and a deck 24 ft wide.

Who owns KY-1787 over Davis Branch?

It is owned by the State Highway Agency.