US Bridges

Ia 148 over Stream

Good

Cass County, Iowa · 1.7 Mi. N of Jct. SR G-43 · Structure no. 000000000017911

Built
1994
31 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
790
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 148 over Stream is a concrete continuous culvert carrying Ia 148 over Stream in Cass County, Iowa. It was built in 1994, so it is 31 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 790 vehicles a day, roughly 23% of them trucks, projected to reach 790 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesIa 148
CrossesStream
Location1.7 Mi. N of Jct. SR G-43
RouteState Highway 148
StateIowa
Coordinates41.33482, -94.75751
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.6 US tons
Inventory rating30.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 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 traffic790 (2022)
Projected traffic790 by 2044
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 148 over Stream built?

It was built in 1994, making it 31 years old in 2025.

What condition is Ia 148 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 April 2024.

How much traffic does Ia 148 over Stream carry?

About 790 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is Ia 148 over Stream?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Ia 148 over Stream?

It is owned by the State Highway Agency.