US Bridges

142nd ST over Stream

Good

Poweshiek County, Iowa · 079140804 · Structure no. 000000000292371

Built
2002
23 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

142nd ST over Stream is a concrete continuous culvert carrying 142nd ST over Stream in Poweshiek County, Iowa. It was built in 2002, so it is 23 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, projected to reach 15 by 2043. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries142nd ST
CrossesStream
Location079140804
RouteCounty Highway 0
StateIowa
Coordinates41.667, -92.50907
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 142nd ST over Stream built?

It was built in 2002, making it 23 years old in 2025.

What condition is 142nd ST over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does 142nd ST over Stream carry?

About 15 vehicles per day (2022 count).

How long is 142nd ST over Stream?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m).

Who owns 142nd ST over Stream?

It is owned by the County Highway Agency.