US Bridges

US 218 Ia 27 SB over I380 SB to I80 EB Ramp F

Good

Johnson County, Iowa · I-80 I-380 US 218 Inter · Structure no. 000000000700695

Built
2021
4 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
176 ft
1 main span
Daily traffic
9,850
2023 count
Owner
State
State Highway Agency

About this bridge

US 218 Ia 27 SB over I380 SB to I80 EB Ramp F is a steel continuous stringer/multi-beam or girder carrying US 218 Ia 27 SB over I380 SB to I80 EB Ramp F in Johnson County, Iowa. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,850 vehicles a day, roughly 16% of them trucks, projected to reach 9,850 by 2044. The structure is 176 ft (53.7 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 218 Ia 27 SB
CrossesI380 SB to I80 EB Ramp F
LocationI-80 I-380 US 218 Inter
RouteU.S. Route 218
StateIowa
Coordinates41.69212, -91.63719
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length176 ft (53.7 m)
Longest span173 ft (52.7 m)
Deck width67 ft (20.3 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,850 (2023)
Projected traffic9,850 by 2044
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 Ia 27 SB over I380 SB to I80 EB Ramp F built?

It was built in 2021, making it 4 years old in 2025.

What condition is US 218 Ia 27 SB over I380 SB to I80 EB Ramp F 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 October 2024.

How much traffic does US 218 Ia 27 SB over I380 SB to I80 EB Ramp F carry?

About 9,850 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 218 Ia 27 SB over I380 SB to I80 EB Ramp F?

The structure is 176 ft (53.7 m) long with a longest span of 173 ft (52.7 m) and a deck 67 ft wide.

Who owns US 218 Ia 27 SB over I380 SB to I80 EB Ramp F?

It is owned by the State Highway Agency.