US Bridges

Local over Little Sioux River

Good

Dickinson County, Iowa · 098370401 · Structure no. 000000000144711

Built
2010
15 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
179 ft
3 main spans
Daily traffic
72
2021 count
Owner
County
County Highway Agency

About this bridge

Local over Little Sioux River is a prestressed concrete stringer/multi-beam or girder carrying Local over Little Sioux River in Dickinson County, Iowa. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 72 vehicles a day, projected to reach 72 by 2043. The structure is 179 ft (54.6 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLocal
CrossesLittle Sioux River
Location098370401
RouteCounty Highway 0
StateIowa
Coordinates43.34245, -95.22684
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length179 ft (54.6 m)
Longest span89 ft (27.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2021)
Projected traffic72 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Little Sioux River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Local over Little Sioux River 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 2023.

How much traffic does Local over Little Sioux River carry?

About 72 vehicles per day (2021 count).

How long is Local over Little Sioux River?

The structure is 179 ft (54.6 m) long with a longest span of 89 ft (27.1 m) and a deck 33 ft wide.

Who owns Local over Little Sioux River?

It is owned by the County Highway Agency.