US Bridges

SE 124th ST over Camp Creek

Poor

Polk County, Iowa · 078222408 · Structure no. 000000000280730

Built
1930
95 years old, rebuilt 1958
Condition
Poor
inspected September 2024
Type
Truss - Thru
Steel
Length
83 ft
1 main span
Daily traffic
81
2023 count
Owner
County
County Highway Agency

About this bridge

SE 124th ST over Camp Creek is a steel truss - thru carrying SE 124th ST over Camp Creek in Polk County, Iowa. It was built in 1930 and reconstructed in 1958, so it is 95 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 81 vehicles a day, projected to reach 81 by 2044. The structure is 83 ft (25.3 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSE 124th ST
CrossesCamp Creek
Location078222408
RouteCounty Highway 0
CountyPolk County
StateIowa
Coordinates41.53876, -93.33862
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.1 US tons
Inventory rating25.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span60 ft (18.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2023)
Projected traffic81 by 2044
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
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 124th ST over Camp Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1958.

What condition is SE 124th ST over Camp Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does SE 124th ST over Camp Creek carry?

About 81 vehicles per day (2023 count).

How long is SE 124th ST over Camp Creek?

The structure is 83 ft (25.3 m) long with a longest span of 60 ft (18.3 m) and a deck 22 ft wide.

Who owns SE 124th ST over Camp Creek?

It is owned by the County Highway Agency.