US Bridges

R Ave / P30 over Small Stream

Fair

Greene County, Iowa · 082301204 · Structure no. 000000000161771

Built
1973
52 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
190
2022 count
Owner
County
County Highway Agency

About this bridge

R Ave / P30 over Small Stream is a steel culvert carrying R Ave / P30 over Small Stream in Greene County, Iowa. It was built in 1973, so it is 52 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 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 190 vehicles a day, roughly 14% of them trucks, projected to reach 190 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesR Ave / P30
CrossesSmall Stream
Location082301204
RouteCounty Highway 0
CountyGreene County
StateIowa
Coordinates41.92174, -94.2995
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length24 ft (7.3 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 traffic190 (2022)
Projected traffic190 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was R Ave / P30 over Small Stream built?

It was built in 1973, making it 52 years old in 2025.

What condition is R Ave / P30 over Small 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 July 2024.

How much traffic does R Ave / P30 over Small Stream carry?

About 190 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is R Ave / P30 over Small Stream?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).

Who owns R Ave / P30 over Small Stream?

It is owned by the County Highway Agency.