US Bridges

SW 9th ST over Yeader Creek

Good

Polk County, Iowa · 078242800 · Structure no. 000000000004081

Built
2004
21 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
15,163
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW 9th ST over Yeader Creek is a concrete continuous slab carrying SW 9th ST over Yeader Creek in Polk County, Iowa. It was built in 2004, so it is 21 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 15,163 vehicles a day, projected to reach 15,163 by 2043. The structure is 90 ft (27.4 m) long and 74 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSW 9th ST
CrossesYeader Creek
Location078242800
RouteCity Street 0
CountyPolk County
StateIowa
Coordinates41.53751, -93.62574
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.6 US tons
Inventory rating52.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span35 ft (10.7 m)
Deck width74 ft (22.5 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,163 (2022)
Projected traffic15,163 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$17,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 9th ST over Yeader Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is SW 9th ST over Yeader 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 July 2023.

How much traffic does SW 9th ST over Yeader Creek carry?

About 15,163 vehicles per day (2022 count).

How long is SW 9th ST over Yeader Creek?

The structure is 90 ft (27.4 m) long with a longest span of 35 ft (10.7 m) and a deck 74 ft wide.

Who owns SW 9th ST over Yeader Creek?

It is owned by the City or Municipal Highway Agency.