US Bridges

E 124th ST S over Small Stream

Fair

Jasper County, Iowa · 079173302 · Structure no. 000000000196501

Built
1976
49 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
910
2022 count
Owner
County
County Highway Agency

About this bridge

E 124th ST S over Small Stream is a concrete continuous culvert carrying E 124th ST S over Small Stream in Jasper County, Iowa. It was built in 1976, so it is 49 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 910 vehicles a day, roughly 7% of them trucks, projected to reach 910 by 2043. The structure is 22 ft (6.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE 124th ST S
CrossesSmall Stream
Location079173302
RouteCounty Highway 0
StateIowa
Coordinates41.61329, -92.84371
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating34 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2022)
Projected traffic910 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E 124th ST S over Small Stream built?

It was built in 1976, making it 49 years old in 2025.

What condition is E 124th ST S over Small Stream 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 May 2023.

How much traffic does E 124th ST S over Small Stream carry?

About 910 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is E 124th ST S over Small Stream?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns E 124th ST S over Small Stream?

It is owned by the County Highway Agency.