US Bridges

NE 112th ST over Indian Creek

Fair

Polk County, Iowa · 081221202 · Structure no. 000000000282400

Built
1958
67 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
206 ft
3 main spans
Daily traffic
139
2022 count
Owner
County
County Highway Agency

About this bridge

NE 112th ST over Indian Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying NE 112th ST over Indian Creek in Polk County, Iowa. It was built in 1958, so it is 67 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 5 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 139 vehicles a day, roughly 10% of them trucks, projected to reach 139 by 2044. The structure is 206 ft (62.8 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNE 112th ST
CrossesIndian Creek
Location081221202
RouteCounty Highway 0
StateIowa
Coordinates41.84394, -93.36768
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating33.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length206 ft (62.8 m)
Longest span69 ft (21 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2022)
Projected traffic139 by 2044
Trucks10%
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

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 NE 112th ST over Indian Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is NE 112th ST over Indian 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 NE 112th ST over Indian Creek carry?

About 139 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is NE 112th ST over Indian Creek?

The structure is 206 ft (62.8 m) long with a longest span of 69 ft (21 m) and a deck 26 ft wide.

Who owns NE 112th ST over Indian Creek?

It is owned by the County Highway Agency.