US Bridges

Ky 3145 over Commonwealth Blvd.

Poor

Warren County, Kentucky · 0.97 MI S of US-31W · Structure no. 114B00108N

Built
2016
9 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
1 main span
Daily traffic
9,399
2021 count
Owner
State
State Highway Agency

About this bridge

Ky 3145 over Commonwealth Blvd. is a prestressed concrete stringer/multi-beam or girder carrying Ky 3145 over Commonwealth Blvd. in Warren County, Kentucky. It was built in 2016, so it is 9 years old, younger 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.

It carries about 9,399 vehicles a day, roughly 25% of them trucks, projected to reach 9,399 by 2041. The structure is 148 ft (45.1 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKy 3145
CrossesCommonwealth Blvd.
Location0.97 MI S of US-31W
RouteState Highway 3145
CountyWarren County
StateKentucky
Coordinates37.03573, -86.31149
Functional classUrban 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.8 US tons
Inventory rating79.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length148 ft (45.1 m)
Longest span142 ft (43.3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,399 (2021)
Projected traffic9,399 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ky 3145 over Commonwealth Blvd. built?

It was built in 2016, making it 9 years old in 2025.

What condition is Ky 3145 over Commonwealth Blvd. 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 August 2023.

How much traffic does Ky 3145 over Commonwealth Blvd. carry?

About 9,399 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is Ky 3145 over Commonwealth Blvd.?

The structure is 148 ft (45.1 m) long with a longest span of 142 ft (43.3 m) and a deck 47 ft wide.

Who owns Ky 3145 over Commonwealth Blvd.?

It is owned by the State Highway Agency.