US Bridges

Attica RD over Competine Creek

Fair

Marion County, Iowa · 075190712 · Structure no. 000000000605700

Built
1925
100 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
3,020
2022 count
Owner
County
County Highway Agency

About this bridge

Attica RD over Competine Creek is a concrete continuous culvert carrying Attica RD over Competine Creek in Marion County, Iowa. It was built in 1925, so it is 100 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 5 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 3,020 vehicles a day, projected to reach 3,020 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesAttica RD
CrossesCompetine Creek
Location075190712
RouteCounty Highway 0
CountyMarion County
StateIowa
Coordinates41.31086, -93.08566
Functional classUrban Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56 US tons
Inventory rating33.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 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 traffic3,020 (2022)
Projected traffic3,020 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Attica RD over Competine Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Attica RD over Competine 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 December 2024.

How much traffic does Attica RD over Competine Creek carry?

About 3,020 vehicles per day (2022 count).

How long is Attica RD over Competine Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Attica RD over Competine Creek?

It is owned by the County Highway Agency.