US Bridges

US 218 over Airport Blvd

Fair

Black Hawk County, Iowa · 1.1 Miles S of Jct. Ia 27 · Structure no. 000000000605945

Built
1989
36 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
241 ft
3 main spans
Daily traffic
23,100
2022 count
Owner
State
State Highway Agency

About this bridge

US 218 over Airport Blvd is a steel stringer/multi-beam or girder carrying US 218 over Airport Blvd in Black Hawk County, Iowa. It was built in 1989, so it is 36 years old, younger than the Iowa average of 45.5 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 23,100 vehicles a day, roughly 7% of them trucks, projected to reach 23,100 by 2044. The structure is 241 ft (73.5 m) long and 121 ft wide.

Location

Open in Google Maps
CarriesUS 218
CrossesAirport Blvd
Location1.1 Miles S of Jct. Ia 27
RouteU.S. Route 218
CountyBlack Hawk County
StateIowa
Coordinates42.53909, -92.39449
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
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 alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating62.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length241 ft (73.5 m)
Longest span103 ft (31.4 m)
Deck width121 ft (36.9 m)
Roadway width118 ft (36.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,100 (2022)
Projected traffic23,100 by 2044
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 US 218 over Airport Blvd built?

It was built in 1989, making it 36 years old in 2025.

What condition is US 218 over Airport Blvd 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 January 2024.

How much traffic does US 218 over Airport Blvd carry?

About 23,100 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US 218 over Airport Blvd?

The structure is 241 ft (73.5 m) long with a longest span of 103 ft (31.4 m) and a deck 121 ft wide.

Who owns US 218 over Airport Blvd?

It is owned by the State Highway Agency.