US Bridges

Local over Drainage

Good

Dickinson County, Iowa · 098381702 · Structure no. 000000000144951

Built
1992
33 years old
Condition
Good
inspected March 2021
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Drainage is a steel culvert carrying Local over Drainage in Dickinson County, Iowa. It was built in 1992, so it is 33 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 26 vehicles a day, projected to reach 26 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesDrainage
Location098381702
RouteCounty Highway 0
StateIowa
Coordinates43.30116, -95.3684
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 inspectionMarch 2021
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
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Local over Drainage built?

It was built in 1992, making it 33 years old in 2025.

What condition is Local over Drainage 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 March 2021.

How much traffic does Local over Drainage carry?

About 26 vehicles per day (2022 count).

How long is Local over Drainage?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns Local over Drainage?

It is owned by the County Highway Agency.