US Bridges

US 218 Ia 27 SB over 150th ST

Good

Bremer County, Iowa · 1.1 Mi. South of Ia 188 · Structure no. 000000000608060

Built
2001
24 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
118 ft
1 main span
Daily traffic
4,450
2023 count
Owner
State
State Highway Agency

About this bridge

US 218 Ia 27 SB over 150th ST is a prestressed concrete stringer/multi-beam or girder carrying US 218 Ia 27 SB over 150th ST in Bremer County, Iowa. It was built in 2001, so it is 24 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 4,450 vehicles a day, roughly 23% of them trucks, projected to reach 4,450 by 2044. The structure is 118 ft (35.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 218 Ia 27 SB
Crosses150th ST
Location1.1 Mi. South of Ia 188
RouteU.S. Route 218
StateIowa
Coordinates42.83311, -92.53688
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 inspectionAugust 2024
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 rating99.8 US tons
Inventory rating47.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length118 ft (35.9 m)
Longest span115 ft (35 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,450 (2023)
Projected traffic4,450 by 2044
Trucks23%
Lanes on structure2
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 150th ST built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 218 Ia 27 SB over 150th ST 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 August 2024.

How much traffic does US 218 Ia 27 SB over 150th ST carry?

About 4,450 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is US 218 Ia 27 SB over 150th ST?

The structure is 118 ft (35.9 m) long with a longest span of 115 ft (35 m) and a deck 43 ft wide.

Who owns US 218 Ia 27 SB over 150th ST?

It is owned by the State Highway Agency.