US Bridges

Airport Road over Ky 236(DONALDSON Road)

Fair

Boone County, Kentucky · .5 MI S. of I-275 Interc · Structure no. 008B00048R

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
273 ft
2 main spans
Daily traffic
12,391
2023 count
Owner
State
State Highway Agency

About this bridge

Airport Road over Ky 236(DONALDSON Road) is a steel continuous stringer/multi-beam or girder carrying Airport Road over Ky 236(DONALDSON Road) in Boone 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 12,391 vehicles a day, roughly 8% of them trucks, projected to reach 12,391 by 2043. The structure is 273 ft (83.2 m) long and 48 ft wide.

Location

Open in Google Maps
CarriesAirport Road
CrossesKy 236(DONALDSON Road)
Location.5 MI S. of I-275 Interc
RouteState Highway 212
CountyBoone County
StateKentucky
Coordinates39.0625, -84.6575
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.9 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length273 ft (83.2 m)
Longest span90 ft (27.4 m)
Deck width48 ft (14.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,391 (2023)
Projected traffic12,391 by 2043
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Airport Road over Ky 236(DONALDSON Road) built?

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

What condition is Airport Road over Ky 236(DONALDSON Road) 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 June 2023.

How much traffic does Airport Road over Ky 236(DONALDSON Road) carry?

About 12,391 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Airport Road over Ky 236(DONALDSON Road)?

The structure is 273 ft (83.2 m) long with a longest span of 90 ft (27.4 m) and a deck 48 ft wide.

Who owns Airport Road over Ky 236(DONALDSON Road)?

It is owned by the State Highway Agency.