US Bridges

LCL-240th ST over Small Stream

Fair

Mills County, Iowa · 072431208 · Structure no. 000000000246291

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

LCL-240th ST over Small Stream is a steel culvert carrying LCL-240th ST over Small Stream in Mills County, Iowa. It was built in 1987, so it is 38 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 120 vehicles a day, projected to reach 120 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLCL-240th ST
CrossesSmall Stream
Location072431208
RouteCounty Highway 0
StateIowa
Coordinates41.05889, -95.73021
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic120 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LCL-240th ST over Small Stream built?

It was built in 1987, making it 38 years old in 2025.

What condition is LCL-240th ST over Small Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does LCL-240th ST over Small Stream carry?

About 120 vehicles per day (2022 count).

How long is LCL-240th ST over Small Stream?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns LCL-240th ST over Small Stream?

It is owned by the County Highway Agency.