US Bridges

Local Road over Drainage Ditch

Good

Polk County, Iowa · 081232307 · Structure no. 000000000282801

Built
2000
25 years old
Condition
Good
inspected April 2024
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
11
2021 count
Owner
County
County Highway Agency

About this bridge

Local Road over Drainage Ditch is a steel culvert carrying Local Road over Drainage Ditch in Polk County, Iowa. It was built in 2000, so it is 25 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 11 vehicles a day, projected to reach 11 by 2044. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLocal Road
CrossesDrainage Ditch
Location081232307
RouteCounty Highway 0
CountyPolk County
StateIowa
Coordinates41.81305, -93.49306
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 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 alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2021)
Projected traffic11 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Road over Drainage Ditch built?

It was built in 2000, making it 25 years old in 2025.

What condition is Local Road over Drainage Ditch 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 April 2024.

How much traffic does Local Road over Drainage Ditch carry?

About 11 vehicles per day (2021 count).

How long is Local Road over Drainage Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.4 m).

Who owns Local Road over Drainage Ditch?

It is owned by the County Highway Agency.