US Bridges

KY-740 over Blue Springs Creek

PoorPosted for load

Barren County, Kentucky · 1.8 MI East of JCT Ky 70 · Structure no. 005B00046N

Built
1969
56 years old
Condition
Poor
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
437
2021 count
Owner
State
State Highway Agency

About this bridge

KY-740 over Blue Springs Creek is a prestressed concrete box beam or girders - multiple carrying KY-740 over Blue Springs Creek in Barren 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 437 vehicles a day, projected to reach 437 by 2041. The structure is 53 ft (16.2 m) long and 30 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesKY-740
CrossesBlue Springs Creek
Location1.8 MI East of JCT Ky 70
RouteState Highway 740
Coordinates37.12, -85.79139
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.3 US tons
Inventory rating25.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic437 (2021)
Projected traffic437 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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-740 over Blue Springs Creek built?

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

What condition is KY-740 over Blue Springs 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 September 2024.

How much traffic does KY-740 over Blue Springs Creek carry?

About 437 vehicles per day (2021 count).

How long is KY-740 over Blue Springs Creek?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns KY-740 over Blue Springs Creek?

It is owned by the State Highway Agency.