US Bridges

300th Street over Stream

Fair

Page County, Iowa · 067372401 · Structure no. 000000000264530

Built
1962
63 years old
Condition
Fair
inspected October 2022
Type
Truss - Thru
Steel
Length
90 ft
1 main span
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

300th Street over Stream is a steel truss - thru carrying 300th Street over Stream in Page County, Iowa. It was built in 1962, so it is 63 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 5 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 34 vehicles a day, projected to reach 34 by 2042. The structure is 90 ft (27.4 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries300th Street
CrossesStream
Location067372401
RouteCounty Highway 0
StateIowa
Coordinates40.60863, -95.03755
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span88 ft (26.8 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 300th Street over Stream built?

It was built in 1962, making it 63 years old in 2025.

What condition is 300th Street 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 October 2022.

How much traffic does 300th Street over Stream carry?

About 34 vehicles per day (2022 count).

How long is 300th Street over Stream?

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.8 m) and a deck 19 ft wide.

Who owns 300th Street over Stream?

It is owned by the County Highway Agency.