US Bridges

Ky 3175 over Little Kentucky River

Fair

Trimble County, Kentucky · 2.5 MI S of US 42 · Structure no. 112B00035N

Built
1999
26 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
269 ft
3 main spans
Daily traffic
161
2023 count
Owner
State
State Highway Agency

About this bridge

Ky 3175 over Little Kentucky River is a prestressed concrete continuous stringer/multi-beam or girder carrying Ky 3175 over Little Kentucky River in Trimble County, Kentucky. It was built in 1999, so it is 26 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 161 vehicles a day, projected to reach 161 by 2043. The structure is 269 ft (82.1 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKy 3175
CrossesLittle Kentucky River
Location2.5 MI S of US 42
RouteState Highway 3175
Coordinates38.54917, -85.30306
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.2 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length269 ft (82.1 m)
Longest span115 ft (35 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2023)
Projected traffic161 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 3175 over Little Kentucky River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Ky 3175 over Little Kentucky River 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 October 2023.

How much traffic does Ky 3175 over Little Kentucky River carry?

About 161 vehicles per day (2023 count).

How long is Ky 3175 over Little Kentucky River?

The structure is 269 ft (82.1 m) long with a longest span of 115 ft (35 m) and a deck 31 ft wide.

Who owns Ky 3175 over Little Kentucky River?

It is owned by the State Highway Agency.