US Bridges

US 169 over Stream

Good

Webster County, Iowa · 3.0 Mi. N of Jct. Ia 7 · Structure no. 000000000052230

Built
1959
66 years old, rebuilt 1993
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
5,100
2022 count
Owner
State
State Highway Agency

About this bridge

US 169 over Stream is a concrete continuous culvert carrying US 169 over Stream in Webster County, Iowa. It was built in 1959 and reconstructed in 1993, so it is 66 years old, older 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 5,100 vehicles a day, roughly 19% of them trucks, projected to reach 5,100 by 2043. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 169
CrossesStream
Location3.0 Mi. N of Jct. Ia 7
RouteU.S. Route 169
StateIowa
Coordinates42.55761, -94.22707
Functional classRural Principal Arterial - Other

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 inspectionMay 2023
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 alignment7: Better than present minimum criteria
Operating rating99.8 US tons
Inventory rating99.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 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 traffic5,100 (2022)
Projected traffic5,100 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 US 169 over Stream built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1993.

What condition is US 169 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 May 2023.

How much traffic does US 169 over Stream carry?

About 5,100 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is US 169 over Stream?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).

Who owns US 169 over Stream?

It is owned by the State Highway Agency.