US Bridges

KY-1170 over Spring Creek

Fair

Simpson County, Kentucky · 1.9 MI East of JCT Ky 103 · Structure no. 107B00032N

Built
1979
46 years old
Condition
Fair
inspected July 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
187
2022 count
Owner
State
State Highway Agency

About this bridge

KY-1170 over Spring Creek is a prestressed concrete box beam or girders - multiple carrying KY-1170 over Spring Creek in Simpson County, Kentucky. It was built in 1979, so it is 46 years old, younger 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 187 vehicles a day, projected to reach 187 by 2042. The structure is 37 ft (11.3 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesKY-1170
CrossesSpring Creek
Location1.9 MI East of JCT Ky 103
RouteState Highway 1170
CountySimpson County
StateKentucky
Coordinates36.77361, -86.68639
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2021
Inspection intervalevery 48 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.6 US tons
Inventory rating59.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic187 (2022)
Projected traffic187 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1170 over Spring Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is KY-1170 over Spring 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 July 2021.

How much traffic does KY-1170 over Spring Creek carry?

About 187 vehicles per day (2022 count).

How long is KY-1170 over Spring Creek?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 24 ft wide.

Who owns KY-1170 over Spring Creek?

It is owned by the State Highway Agency.