US Bridges

Ia 330 over Chicken Creek

Fair

Marshall County, Iowa · 3.9 Miles W of JCT Ia 14 · Structure no. 000000000035510

Built
1957
68 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
1,490
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 330 over Chicken Creek is a concrete continuous culvert carrying Ia 330 over Chicken Creek in Marshall County, Iowa. It was built in 1957, so it is 68 years old, older 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 1,490 vehicles a day, roughly 23% of them trucks, projected to reach 1,490 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesIa 330
CrossesChicken Creek
Location3.9 Miles W of JCT Ia 14
RouteState Highway 330
CountyMarshall County
StateIowa
Coordinates42.12277, -92.9803
Functional classRural Principal Arterial - Other

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,490 (2022)
Projected traffic1,490 by 2042
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 330 over Chicken Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Ia 330 over Chicken Creek 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 April 2023.

How much traffic does Ia 330 over Chicken Creek carry?

About 1,490 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is Ia 330 over Chicken Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Ia 330 over Chicken Creek?

It is owned by the State Highway Agency.