US Bridges

Local over Small

Good

Sioux County, Iowa · 094440902 · Structure no. 000000000364985

Built
1940
85 years old, rebuilt 2005
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
2,930
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Small is a concrete culvert carrying Local over Small in Sioux County, Iowa. It was built in 1940 and reconstructed in 2005, so it is 85 years old, older 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 2,930 vehicles a day, roughly 9% of them trucks, projected to reach 2,930 by 2043. The structure is 22 ft (6.7 m) long.

CarriesLocal
CrossesSmall
Location094440902
RouteCounty Highway 0
StateIowa
Coordinates42.97453, -96.057
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.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 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 rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,930 (2022)
Projected traffic2,930 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 over Small built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2005.

What condition is Local 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 November 2023.

How much traffic does Local over Small carry?

About 2,930 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Local over Small?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m).

Who owns Local over Small?

It is owned by the County Highway Agency.