US Bridges

Local over Small Stream

Fair

Sioux County, Iowa · 096453001 · Structure no. 000000000311720

Built
1947
78 years old, rebuilt 1977
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
32 ft
2 main spans
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Small Stream is a wood or timber stringer/multi-beam or girder carrying Local over Small Stream in Sioux County, Iowa. It was built in 1947 and reconstructed in 1977, so it is 78 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 71 vehicles a day, projected to reach 71 by 2044. The structure is 32 ft (9.8 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal
CrossesSmall Stream
Location096453001
RouteCounty Highway 0
CountySioux County
StateIowa
Coordinates43.11316, -96.21393
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating22.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span16 ft (4.9 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2022)
Projected traffic71 by 2044
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$23,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Small Stream built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1977.

What condition is Local over Small Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Local over Small Stream carry?

About 71 vehicles per day (2022 count).

How long is Local over Small Stream?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 22 ft wide.

Who owns Local over Small Stream?

It is owned by the County Highway Agency.