US Bridges

262nd Ave over Small Stream

Fair

Delaware County, Iowa · 088042304 · Structure no. 000000000140771

Built
2005
20 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
236
2022 count
Owner
County
County Highway Agency

About this bridge

262nd Ave over Small Stream is a concrete culvert carrying 262nd Ave over Small Stream in Delaware County, Iowa. It was built in 2005, so it is 20 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 236 vehicles a day, roughly 22% of them trucks, projected to reach 236 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries262nd Ave
CrossesSmall Stream
Location088042304
RouteCounty Highway 0
StateIowa
Coordinates42.42283, -91.28672
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 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 traffic236 (2022)
Projected traffic236 by 2044
Trucks22%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 262nd Ave over Small Stream built?

It was built in 2005, making it 20 years old in 2025.

What condition is 262nd Ave 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 January 2024.

How much traffic does 262nd Ave over Small Stream carry?

About 236 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is 262nd Ave over Small Stream?

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

Who owns 262nd Ave over Small Stream?

It is owned by the County Highway Agency.