US Bridges

L 34 over Potato Creek

Good

Pottawattamie County, Iowa · 077432402 · Structure no. 000000000290791

Built
2013
12 years old
Condition
Good
inspected May 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
528
2022 count
Owner
County
County Highway Agency

About this bridge

L 34 over Potato Creek is a prestressed concrete stringer/multi-beam or girder carrying L 34 over Potato Creek in Pottawattamie County, Iowa. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 528 vehicles a day, roughly 10% of them trucks, projected to reach 528 by 2043. The structure is 155 ft (47.2 m) long and 33 ft wide.

CarriesL 34
CrossesPotato Creek
Location077432402
RouteCounty Highway 0
StateIowa
Coordinates41.44998, -95.74594
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating62.8 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length155 ft (47.2 m)
Longest span56 ft (17.2 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic528 (2022)
Projected traffic528 by 2043
Trucks10%
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 L 34 over Potato Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is L 34 over Potato 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 May 2021.

How much traffic does L 34 over Potato Creek carry?

About 528 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is L 34 over Potato Creek?

The structure is 155 ft (47.2 m) long with a longest span of 56 ft (17.2 m) and a deck 33 ft wide.

Who owns L 34 over Potato Creek?

It is owned by the County Highway Agency.