US Bridges

Local over Small Stream

Fair

Sioux County, Iowa · 094470302 · Structure no. 000000000309191

Built
1977
48 years old, rebuilt 1999
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
74 ft
5 main spans
Daily traffic
34
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 1977 and reconstructed in 1999, so it is 48 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 34 vehicles a day, projected to reach 34 by 2042. The structure is 74 ft (22.6 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesSmall Stream
Location094470302
RouteCounty Highway 0
StateIowa
Coordinates42.98861, -96.39108
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 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 geometry3: Basically intolerable, requiring high priority of corrective action
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 spans5
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span15 ft (4.6 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Stream built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 1999.

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 April 2024.

How much traffic does Local over Small Stream carry?

About 34 vehicles per day (2022 count).

How long is Local over Small Stream?

The structure is 74 ft (22.6 m) long with a longest span of 15 ft (4.6 m) and a deck 18 ft wide.

Who owns Local over Small Stream?

It is owned by the County Highway Agency.