US Bridges

SE 32nd Ave over Spring Creek

Fair

Polk County, Iowa · 078232407 · Structure no. 000000000280861

Built
1978
47 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
660
2023 count
Owner
County
County Highway Agency

About this bridge

SE 32nd Ave over Spring Creek is a concrete continuous slab carrying SE 32nd Ave over Spring Creek in Polk County, Iowa. It was built in 1978, so it is 47 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 660 vehicles a day, roughly 7% of them trucks, projected to reach 660 by 2044. The structure is 125 ft (38.1 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSE 32nd Ave
CrossesSpring Creek
Location078232407
RouteCounty Highway 0
CountyPolk County
StateIowa
Coordinates41.55107, -93.44639
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.6 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length125 ft (38.1 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2023)
Projected traffic660 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 SE 32nd Ave over Spring Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is SE 32nd Ave over Spring Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does SE 32nd Ave over Spring Creek carry?

About 660 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SE 32nd Ave over Spring Creek?

The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns SE 32nd Ave over Spring Creek?

It is owned by the County Highway Agency.