US Bridges

Ia 25 over Stream

Fair

Union County, Iowa · 1.0 Mi. N of N Jct. US 34 · Structure no. 000000000050161

Built
1976
49 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
4,870
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 25 over Stream is a concrete continuous culvert carrying Ia 25 over Stream in Union 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 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 4,870 vehicles a day, roughly 6% of them trucks, projected to reach 4,870 by 2042. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIa 25
CrossesStream
Location1.0 Mi. N of N Jct. US 34
RouteState Highway 25
CountyUnion County
StateIowa
Coordinates41.06314, -94.37263
Functional classUrban Other Principal 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.9 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,870 (2022)
Projected traffic4,870 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 25 over Stream built?

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

What condition is Ia 25 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 2023.

How much traffic does Ia 25 over Stream carry?

About 4,870 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Ia 25 over Stream?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Ia 25 over Stream?

It is owned by the State Highway Agency.