US Bridges

240th Ave over Creek

Poor

Scott County, Iowa · 080E41306 · Structure no. 000000000303620

Built
1962
63 years old
Condition
Poor
inspected May 2023
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
870
2022 count
Owner
County
County Highway Agency

About this bridge

240th Ave over Creek is a concrete continuous culvert carrying 240th Ave over Creek in Scott County, Iowa. It was built in 1962, so it is 63 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 870 vehicles a day, roughly 13% of them trucks, projected to reach 870 by 2043. The structure is 20 ft (6.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries240th Ave
CrossesCreek
Location080E41306
RouteCounty Highway 0
CountyScott County
StateIowa
Coordinates41.72966, -90.43426
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.6 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length20 ft (6.1 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic870 (2022)
Projected traffic870 by 2043
Trucks13%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 240th Ave over Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is 240th Ave over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does 240th Ave over Creek carry?

About 870 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is 240th Ave over Creek?

The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns 240th Ave over Creek?

It is owned by the County Highway Agency.