US Bridges

US 218 NB over Ia 2

Good

Lee County, Iowa · At the Jct. Iowa 2 · Structure no. 000000000607945

Built
2002
23 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
198 ft
3 main spans
Daily traffic
2,950
2022 count
Owner
State
State Highway Agency

About this bridge

US 218 NB over Ia 2 is a prestressed concrete stringer/multi-beam or girder carrying US 218 NB over Ia 2 in Lee County, Iowa. It was built in 2002, so it is 23 years old, younger than the Iowa average of 45.5 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 2,950 vehicles a day, roughly 35% of them trucks, projected to reach 2,950 by 2043. The structure is 198 ft (60.4 m) long and 43 ft wide.

CarriesUS 218 NB
CrossesIa 2
LocationAt the Jct. Iowa 2
RouteU.S. Route 218
StateIowa
Coordinates40.63873, -91.55589
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.2 US tons
Inventory rating34.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span102 ft (31.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2022)
Projected traffic2,950 by 2043
Trucks35%
Lanes on structure2
Traffic directionOne-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 NB over Ia 2 built?

It was built in 2002, making it 23 years old in 2025.

What condition is US 218 NB over Ia 2 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 December 2023.

How much traffic does US 218 NB over Ia 2 carry?

About 2,950 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is US 218 NB over Ia 2?

The structure is 198 ft (60.4 m) long with a longest span of 102 ft (31.1 m) and a deck 43 ft wide.

Who owns US 218 NB over Ia 2?

It is owned by the State Highway Agency.