US Bridges

Local over Drainage

Poor

Pottawattamie County, Iowa · 074380401 · Structure no. 000000000283332

Built
1995
30 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Drainage is a steel stringer/multi-beam or girder carrying Local over Drainage in Pottawattamie County, Iowa. It was built in 1995, so it is 30 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 11 vehicles a day, projected to reach 11 by 2043. The structure is 43 ft (13.1 m) long and 18 ft wide.

Location

Open in Google Maps
CarriesLocal
CrossesDrainage
Location074380401
RouteCounty Highway 0
CountyPottawattamie County
StateIowa
Coordinates41.24517, -95.22353
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.1 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span41 ft (12.5 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 over Drainage built?

It was built in 1995, making it 30 years old in 2025.

What condition is Local over Drainage in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Local over Drainage carry?

About 11 vehicles per day (2022 count).

How long is Local over Drainage?

The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.5 m) and a deck 18 ft wide.

Who owns Local over Drainage?

It is owned by the County Highway Agency.