US Bridges

KY-491 over Bullock Creek

PoorPosted for load

Grant County, Kentucky · On Boone - Grant Cl · Structure no. 041B00017N

Built
1970
55 years old
Condition
Poor
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
1,182
2023 count
Owner
State
State Highway Agency

About this bridge

KY-491 over Bullock Creek is a prestressed concrete box beam or girders - multiple carrying KY-491 over Bullock Creek in Grant County, Kentucky. It was built in 1970, so it is 55 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 1,182 vehicles a day, projected to reach 1,182 by 2043. The structure is 70 ft (21.4 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKY-491
CrossesBullock Creek
LocationOn Boone - Grant Cl
RouteState Highway 491
CountyGrant County
StateKentucky
Coordinates38.78611, -84.6575
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.3 US tons
Inventory rating16.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length70 ft (21.4 m)
Longest span67 ft (20.4 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,182 (2023)
Projected traffic1,182 by 2043
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$183,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-491 over Bullock Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is KY-491 over Bullock Creek 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 July 2024.

How much traffic does KY-491 over Bullock Creek carry?

About 1,182 vehicles per day (2023 count).

How long is KY-491 over Bullock Creek?

The structure is 70 ft (21.4 m) long with a longest span of 67 ft (20.4 m) and a deck 21 ft wide.

Who owns KY-491 over Bullock Creek?

It is owned by the State Highway Agency.