US Bridges

150th Street over Stream

PoorPosted for load

Page County, Iowa · 070373601 · Structure no. 000000000268070

Built
1941
84 years old, rebuilt 1992
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
112 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

150th Street over Stream is a steel stringer/multi-beam or girder carrying 150th Street over Stream in Page County, Iowa. It was built in 1941 and reconstructed in 1992, so it is 84 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 26 vehicles a day, projected to reach 26 by 2043. The structure is 112 ft (34.1 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries150th Street
CrossesStream
Location070373601
RouteCounty Highway 0
StateIowa
Coordinates40.82791, -95.0489
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating11.4 US tons
Inventory rating7.5 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1 (+3 approach)
Design loadUnknown
Structure length112 ft (34.1 m)
Longest span41 ft (12.5 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 150th Street over Stream built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1992.

What condition is 150th Street over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does 150th Street over Stream carry?

About 26 vehicles per day (2022 count).

How long is 150th Street over Stream?

The structure is 112 ft (34.1 m) long with a longest span of 41 ft (12.5 m) and a deck 20 ft wide.

Who owns 150th Street over Stream?

It is owned by the County Highway Agency.