US Bridges

SE 9th ST over Crawford Creek

Good

Polk County, Iowa · 078241000 · Structure no. 000000000505035

Built
2010
15 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
465
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

SE 9th ST over Crawford Creek is a concrete continuous culvert carrying SE 9th ST over Crawford Creek in Polk County, Iowa. It was built in 2010, so it is 15 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 465 vehicles a day, projected to reach 465 by 2043. The structure is 24 ft (7.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSE 9th ST
CrossesCrawford Creek
Location078241000
RouteCity Street 0
CountyPolk County
StateIowa
Coordinates41.57146, -93.60062
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.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width38 ft (11.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic465 (2022)
Projected traffic465 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 SE 9th ST over Crawford Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is SE 9th ST over Crawford 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 June 2023.

How much traffic does SE 9th ST over Crawford Creek carry?

About 465 vehicles per day (2022 count).

How long is SE 9th ST over Crawford Creek?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m) and a deck 38 ft wide.

Who owns SE 9th ST over Crawford Creek?

It is owned by the City or Municipal Highway Agency.