US Bridges

N Park ST over Little Beaver Creek

Good

Polk County, Iowa · 080252900 · Structure no. 000000000504975

Built
2007
18 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete Continuous
Length
51 ft
4 main spans
Daily traffic
288
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Park ST over Little Beaver Creek is a concrete continuous culvert carrying N Park ST over Little Beaver Creek in Polk County, Iowa. It was built in 2007, so it is 18 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 288 vehicles a day, projected to reach 288 by 2043. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN Park ST
CrossesLittle Beaver Creek
Location080252900
RouteCity Street 0
StateIowa
Coordinates41.71047, -93.7885
Functional classUrban 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.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic288 (2022)
Projected traffic288 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N Park ST over Little Beaver Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is N Park ST over Little Beaver 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 N Park ST over Little Beaver Creek carry?

About 288 vehicles per day (2022 count).

How long is N Park ST over Little Beaver Creek?

The structure is 51 ft (15.5 m) long with a longest span of 12 ft (3.7 m).

Who owns N Park ST over Little Beaver Creek?

It is owned by the City or Municipal Highway Agency.