US Bridges

Pearl ST over Drainage

Good

Pottawattamie County, Iowa · 000000000 · Structure no. 000000000008511

Built
2006
19 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
141
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pearl ST over Drainage is a concrete continuous culvert carrying Pearl ST over Drainage in Pottawattamie County, Iowa. It was built in 2006, so it is 19 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 141 vehicles a day, projected to reach 141 by 2043. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPearl ST
CrossesDrainage
Location000000000
RouteCity Street 0
StateIowa
Coordinates41.44825, -95.62064
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.3 US tons
Inventory rating32.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141 (2021)
Projected traffic141 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Pearl ST over Drainage built?

It was built in 2006, making it 19 years old in 2025.

What condition is Pearl ST 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 May 2023.

How much traffic does Pearl ST over Drainage carry?

About 141 vehicles per day (2021 count).

How long is Pearl ST over Drainage?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.

Who owns Pearl ST over Drainage?

It is owned by the City or Municipal Highway Agency.