US Bridges

240th Street over US 218

Good

Bremer County, Iowa · 1.0 Mi. S of Jct. Ia #3 · Structure no. 000000000601725

Built
1997
28 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
225 ft
2 main spans
Daily traffic
196
2022 count
Owner
State
State Highway Agency

About this bridge

240th Street over US 218 is a prestressed concrete stringer/multi-beam or girder carrying 240th Street over US 218 in Bremer County, Iowa. It was built in 1997, so it is 28 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 196 vehicles a day, projected to reach 196 by 2043. The structure is 225 ft (68.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries240th Street
CrossesUS 218
Location1.0 Mi. S of Jct. Ia #3
RouteCounty Highway 0
StateIowa
Coordinates42.70056, -92.53425
Functional classRural Local

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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.8 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length225 ft (68.6 m)
Longest span111 ft (33.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196 (2022)
Projected traffic196 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 240th Street over US 218 built?

It was built in 1997, making it 28 years old in 2025.

What condition is 240th Street over US 218 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 2023.

How much traffic does 240th Street over US 218 carry?

About 196 vehicles per day (2022 count).

How long is 240th Street over US 218?

The structure is 225 ft (68.6 m) long with a longest span of 111 ft (33.8 m) and a deck 33 ft wide.

Who owns 240th Street over US 218?

It is owned by the State Highway Agency.