US Bridges

230th Street over Stream

Fair

Page County, Iowa · 068391301 · Structure no. 000000000266011

Built
1986
39 years old
Condition
Fair
inspected October 2022
Type
Slab
Concrete Continuous
Length
117 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

230th Street over Stream is a concrete continuous slab carrying 230th Street over Stream in Page County, Iowa. It was built in 1986, so it is 39 years old, younger 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 26 vehicles a day, projected to reach 26 by 2042. The structure is 117 ft (35.7 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries230th Street
CrossesStream
Location068391301
RouteCounty Highway 0
StateIowa
Coordinates40.7126, -95.26604
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.2 US tons
Inventory rating37.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length117 ft (35.7 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 230th Street over Stream built?

It was built in 1986, making it 39 years old in 2025.

What condition is 230th 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 230th Street over Stream carry?

About 26 vehicles per day (2022 count).

How long is 230th Street over Stream?

The structure is 117 ft (35.7 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns 230th Street over Stream?

It is owned by the County Highway Agency.