US Bridges

H28 260th ST over Small Stream

Good

Des Moines County, Iowa · 072020605 · Structure no. 000000000144095

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
130
2022 count
Owner
County
County Highway Agency

About this bridge

H28 260th ST over Small Stream is a concrete continuous culvert carrying H28 260th ST over Small Stream in Des Moines 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 130 vehicles a day, projected to reach 130 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesH28 260th ST
CrossesSmall Stream
Location072020605
RouteCounty Highway 0
CountyDes Moines County
StateIowa
Coordinates41.05974, -91.13947
Functional classRural Minor 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.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2022)
Projected traffic130 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$30,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was H28 260th ST over Small Stream built?

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

What condition is H28 260th ST 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 September 2023.

How much traffic does H28 260th ST over Small Stream carry?

About 130 vehicles per day (2022 count).

How long is H28 260th ST over Small Stream?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m).

Who owns H28 260th ST over Small Stream?

It is owned by the County Highway Agency.