US Bridges

US-231 over W.H. Natcher Parkway

Fair

Warren County, Kentucky · I-165 · Structure no. 114B00055N

Built
1972
53 years old
Condition
Fair
inspected August 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
285 ft
4 main spans
Daily traffic
12,433
2021 count
Owner
State
State Highway Agency

About this bridge

US-231 over W.H. Natcher Parkway is a steel continuous stringer/multi-beam or girder carrying US-231 over W.H. Natcher Parkway in Warren County, Kentucky. It was built in 1972, so it is 53 years old, older 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 12,433 vehicles a day, roughly 12% of them trucks, projected to reach 12,433 by 2041. The structure is 285 ft (86.8 m) long and 92 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS-231
CrossesW.H. Natcher Parkway
LocationI-165
RouteU.S. Route 231
CountyWarren County
StateKentucky
Coordinates36.99222, -86.50417
Functional classUrban Minor Arterial

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.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating42.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length285 ft (86.8 m)
Longest span86 ft (26.2 m)
Deck width92 ft (27.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,433 (2021)
Projected traffic12,433 by 2041
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 US-231 over W.H. Natcher Parkway built?

It was built in 1972, making it 53 years old in 2025.

What condition is US-231 over W.H. Natcher Parkway 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 August 2021.

How much traffic does US-231 over W.H. Natcher Parkway carry?

About 12,433 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US-231 over W.H. Natcher Parkway?

The structure is 285 ft (86.8 m) long with a longest span of 86 ft (26.2 m) and a deck 92 ft wide.

Who owns US-231 over W.H. Natcher Parkway?

It is owned by the State Highway Agency.