US Bridges

39th ST over Jordan Creek

Good

Polk County, Iowa · 000000000 · Structure no. 000000000501330

Built
1974
51 years old
Condition
Good
inspected June 2023
Type
Culvert
Steel
Length
50 ft
2 main spans
Daily traffic
2,565
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

39th ST over Jordan Creek is a steel culvert carrying 39th ST over Jordan Creek in Polk County, Iowa. It was built in 1974, so it is 51 years old, older 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 2,565 vehicles a day, projected to reach 2,565 by 2043. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries39th ST
CrossesJordan Creek
Location000000000
RouteCity Street 0
CountyPolk County
StateIowa
Coordinates41.57208, -93.75642
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 protection8 Very GoodNo problems noted.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,565 (2022)
Projected traffic2,565 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 39th ST over Jordan Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is 39th ST over Jordan 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 39th ST over Jordan Creek carry?

About 2,565 vehicles per day (2022 count).

How long is 39th ST over Jordan Creek?

The structure is 50 ft (15.2 m) long with a longest span of 21 ft (6.4 m).

Who owns 39th ST over Jordan Creek?

It is owned by the City or Municipal Highway Agency.