US Bridges

US 18 WB Ia 27 NB over US 218 SB T44

Good

Floyd County, Iowa · US 218 Intersection · Structure no. 000000000701040

Built
2023
2 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
169 ft
3 main spans
Daily traffic
5,200
2022 count
Owner
State
State Highway Agency

About this bridge

US 18 WB Ia 27 NB over US 218 SB T44 is a prestressed concrete stringer/multi-beam or girder carrying US 18 WB Ia 27 NB over US 218 SB T44 in Floyd County, Iowa. It was built in 2023, so it is 2 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 5,200 vehicles a day, roughly 32% of them trucks, projected to reach 5,200 by 2042. The structure is 169 ft (51.5 m) long and 53 ft wide.

CarriesUS 18 WB Ia 27 NB
CrossesUS 218 SB T44
LocationUS 218 Intersection
RouteU.S. Route 18
StateIowa
Coordinates43.12092, -92.73836
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 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 alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length169 ft (51.5 m)
Longest span82 ft (25 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2022)
Projected traffic5,200 by 2042
Trucks32%
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 US 18 WB Ia 27 NB over US 218 SB T44 built?

It was built in 2023, making it 2 years old in 2025.

What condition is US 18 WB Ia 27 NB over US 218 SB T44 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 February 2024.

How much traffic does US 18 WB Ia 27 NB over US 218 SB T44 carry?

About 5,200 vehicles per day (2022 count), of which roughly 32% are trucks.

How long is US 18 WB Ia 27 NB over US 218 SB T44?

The structure is 169 ft (51.5 m) long with a longest span of 82 ft (25 m) and a deck 53 ft wide.

Who owns US 18 WB Ia 27 NB over US 218 SB T44?

It is owned by the State Highway Agency.