US Bridges

County Road over Creek

Fair

Dallas County, Iowa · 081282004 · Structure no. 000000000132630

Built
1909
116 years old, rebuilt 1952
Condition
Fair
inspected November 2022
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
103
2022 count
Owner
County
County Highway Agency

About this bridge

County Road over Creek is a concrete culvert carrying County Road over Creek in Dallas County, Iowa. It was built in 1909 and reconstructed in 1952, so it is 116 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 103 vehicles a day, projected to reach 103 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Road
CrossesCreek
Location081282004
RouteCounty Highway 0
CountyDallas County
StateIowa
Coordinates41.81508, -94.13038
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2022)
Projected traffic103 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Creek built?

It was built in 1909, making it 116 years old in 2025. It was reconstructed in 1952.

What condition is County Road over 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 November 2022.

How much traffic does County Road over Creek carry?

About 103 vehicles per day (2022 count).

How long is County Road over Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m).

Who owns County Road over Creek?

It is owned by the County Highway Agency.