US Bridges

Ia 38 over Stream

Fair

Cedar County, Iowa · 2.5 Mi. S of Jct. Ia 130 · Structure no. 000000000018350

Built
1956
69 years old, rebuilt 1997
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
3,360
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 38 over Stream is a concrete continuous culvert carrying Ia 38 over Stream in Cedar County, Iowa. It was built in 1956 and reconstructed in 1997, so it is 69 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 3,360 vehicles a day, roughly 14% of them trucks, projected to reach 3,360 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesIa 38
CrossesStream
Location2.5 Mi. S of Jct. Ia 130
RouteState Highway 38
CountyCedar County
StateIowa
Coordinates41.73609, -91.13254
Functional classRural Minor Arterial

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,360 (2022)
Projected traffic3,360 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 38 over Stream built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1997.

What condition is Ia 38 over 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 February 2024.

How much traffic does Ia 38 over Stream carry?

About 3,360 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Ia 38 over Stream?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Ia 38 over Stream?

It is owned by the State Highway Agency.