US Bridges

Local RD over Small

Good

Howard County, Iowa · 100110704 · Structure no. 000000000364715

Built
2003
22 years old
Condition
Good
inspected April 2024
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
5
2022 count
Owner
County
County Highway Agency

About this bridge

Local RD over Small is a steel culvert carrying Local RD over Small in Howard County, Iowa. It was built in 2003, so it is 22 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 5 vehicles a day, projected to reach 5 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLocal RD
CrossesSmall
Location100110704
RouteCounty Highway 0
StateIowa
Coordinates43.48849, -92.19857
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
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 traffic5 (2022)
Projected traffic5 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Local RD over Small built?

It was built in 2003, making it 22 years old in 2025.

What condition is Local RD over Small 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 April 2024.

How much traffic does Local RD over Small carry?

About 5 vehicles per day (2022 count).

How long is Local RD over Small?

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

Who owns Local RD over Small?

It is owned by the County Highway Agency.