US Bridges

Local over Small

Good

Sioux County, Iowa · 094473402 · Structure no. 000000000309511

Built
1980
45 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
62 ft
4 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Small is a wood or timber stringer/multi-beam or girder carrying Local over Small in Sioux County, Iowa. It was built in 1980, so it is 45 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 30 vehicles a day, projected to reach 30 by 2042. The structure is 62 ft (18.9 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesSmall
Location094473402
RouteCounty Highway 0
StateIowa
Coordinates42.91711, -96.39122
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating22.6 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span15 ft (4.6 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Small built?

It was built in 1980, making it 45 years old in 2025.

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 April 2024.

How much traffic does Local over Small carry?

About 30 vehicles per day (2022 count).

How long is Local over Small?

The structure is 62 ft (18.9 m) long with a longest span of 15 ft (4.6 m) and a deck 22 ft wide.

Who owns Local over Small?

It is owned by the County Highway Agency.