US Bridges

R46 Pleasanton RD over Small Stream

Good

Decatur County, Iowa · 067251004 · Structure no. 000000000136202

Built
2017
8 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

R46 Pleasanton RD over Small Stream is a concrete continuous culvert carrying R46 Pleasanton RD over Small Stream in Decatur County, Iowa. It was built in 2017, so it is 8 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, roughly 17% of them trucks, projected to reach 110 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesR46 Pleasanton RD
CrossesSmall Stream
Location067251004
RouteCounty Highway 0
StateIowa
Coordinates40.61835, -93.71919
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating101.1 US tons
Inventory rating77.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)
Projected traffic110 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 R46 Pleasanton RD over Small Stream built?

It was built in 2017, making it 8 years old in 2025.

What condition is R46 Pleasanton RD over Small Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does R46 Pleasanton RD over Small Stream carry?

About 110 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is R46 Pleasanton RD over Small Stream?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns R46 Pleasanton RD over Small Stream?

It is owned by the County Highway Agency.