US Bridges

A42 240th ST over Albertson Creek

Good

Lyon County, Iowa · 098472201 · Structure no. 000000000229101

Built
2019
6 years old
Condition
Good
inspected July 2022
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
1,176
2022 count
Owner
County
County Highway Agency

About this bridge

A42 240th ST over Albertson Creek is a concrete continuous slab carrying A42 240th ST over Albertson Creek in Lyon County, Iowa. It was built in 2019, so it is 6 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 1,176 vehicles a day, roughly 18% of them trucks, projected to reach 1,176 by 2043. The structure is 101 ft (30.8 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesA42 240th ST
CrossesAlbertson Creek
Location098472201
RouteCounty Highway 0
StateIowa
Coordinates43.30177, -96.37846
Functional classRural Major Collector

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length101 ft (30.8 m)
Longest span39 ft (11.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,176 (2022)
Projected traffic1,176 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was A42 240th ST over Albertson Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is A42 240th ST over Albertson Creek 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 July 2022.

How much traffic does A42 240th ST over Albertson Creek carry?

About 1,176 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is A42 240th ST over Albertson Creek?

The structure is 101 ft (30.8 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns A42 240th ST over Albertson Creek?

It is owned by the County Highway Agency.