US Bridges

County Road over Jim Creek

Good

Dallas County, Iowa · On D Ave. over Jim Creek · Structure no. 000000000131501

Built
1991
34 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

County Road over Jim Creek is a concrete continuous culvert carrying County Road over Jim Creek in Dallas County, Iowa. It was built in 1991, so it is 34 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, projected to reach 60 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road
CrossesJim Creek
LocationOn D Ave. over Jim Creek
RouteCounty Highway 0
CountyDallas County
StateIowa
Coordinates41.50525, -94.2235
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Jim Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road over Jim Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does County Road over Jim Creek carry?

About 60 vehicles per day (2022 count).

How long is County Road over Jim Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns County Road over Jim Creek?

It is owned by the County Highway Agency.