US Bridges

CR-1720 over Hignite Creek

FairPosted for load

Bell County, Kentucky · 1.2 MI NW of JCT Ky 74 · Structure no. 007C00034N

Built
1975
50 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
300
2006 count
Owner
County
County Highway Agency

About this bridge

CR-1720 over Hignite Creek is a prestressed concrete box beam or girders - multiple carrying CR-1720 over Hignite Creek in Bell County, Kentucky. It was built in 1975, so it is 50 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, projected to reach 300 by 2026. The structure is 29 ft (8.8 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCR-1720
CrossesHignite Creek
Location1.2 MI NW of JCT Ky 74
RouteCounty Highway 1720
CountyBell County
StateKentucky
Coordinates36.62583, -83.80389
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating30 US tons
Inventory rating18 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width17 ft (5.2 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2006)
Projected traffic300 by 2026
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$55,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR-1720 over Hignite Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is CR-1720 over Hignite Creek 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 April 2024.

How much traffic does CR-1720 over Hignite Creek carry?

About 300 vehicles per day (2006 count).

How long is CR-1720 over Hignite Creek?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 17 ft wide.

Who owns CR-1720 over Hignite Creek?

It is owned by the County Highway Agency.