US Bridges

NE 112th ST over Camp Creek

Fair

Polk County, Iowa · 079223602 · Structure no. 000000000281150

Built
1957
68 years old, rebuilt 1999
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
3 main spans
Daily traffic
852
2023 count
Owner
County
County Highway Agency

About this bridge

NE 112th ST over Camp Creek is a prestressed concrete stringer/multi-beam or girder carrying NE 112th ST over Camp Creek in Polk County, Iowa. It was built in 1957 and reconstructed in 1999, so it is 68 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 852 vehicles a day, roughly 7% of them trucks, projected to reach 852 by 2044. The structure is 107 ft (32.6 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNE 112th ST
CrossesCamp Creek
Location079223602
RouteCounty Highway 0
StateIowa
Coordinates41.60313, -93.36787
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.8 US tons
Inventory rating28.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span44 ft (13.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic852 (2023)
Projected traffic852 by 2044
Trucks7%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 112th ST over Camp Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1999.

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

About 852 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is NE 112th ST over Camp Creek?

The structure is 107 ft (32.6 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns NE 112th ST over Camp Creek?

It is owned by the County Highway Agency.