US Bridges

Ky 3145 over CSX Railroad

Good

Warren County, Kentucky · 0.3 MI S of JCT US-68 · Structure no. 114B00105L

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
317 ft
3 main spans
Daily traffic
4,700
2021 count
Owner
State
State Highway Agency

About this bridge

Ky 3145 over CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying Ky 3145 over CSX Railroad in Warren County, Kentucky. It was built in 2017, so it is 8 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,700 vehicles a day, roughly 25% of them trucks, projected to reach 4,700 by 2041. The structure is 317 ft (96.7 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKy 3145
CrossesCSX Railroad
Location0.3 MI S of JCT US-68
RouteState Highway 3145
CountyWarren County
StateKentucky
Coordinates37.02804, -86.31469
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length317 ft (96.7 m)
Longest span133 ft (40.5 m)
Deck width75 ft (22.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2021)
Projected traffic4,700 by 2041
Trucks25%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ky 3145 over CSX Railroad built?

It was built in 2017, making it 8 years old in 2025.

What condition is Ky 3145 over CSX Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Ky 3145 over CSX Railroad carry?

About 4,700 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is Ky 3145 over CSX Railroad?

The structure is 317 ft (96.7 m) long with a longest span of 133 ft (40.5 m) and a deck 75 ft wide.

Who owns Ky 3145 over CSX Railroad?

It is owned by the State Highway Agency.