US Bridges

160th ST over Running Slough Drain

Good

Des Moines County, Iowa · 071013101 · Structure no. 000000000143492

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Slab
Steel
Length
53 ft
1 main span
Daily traffic
—
2023 count
Owner
County
County Highway Agency

About this bridge

160th ST over Running Slough Drain is a steel slab carrying 160th ST over Running Slough Drain in Des Moines County, Iowa. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

No traffic count is recorded. The structure is 53 ft (16.2 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Carries160th ST
CrossesRunning Slough Drain
Location071013101
RouteCounty Highway 0
StateIowa
Coordinates40.9132, -91.01666
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating76.2 US tons
Inventory rating45.7 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span51 ft (15.5 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 160th ST over Running Slough Drain built?

It was built in 2024, making it 1 years old in 2025.

What condition is 160th ST over Running Slough Drain 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 September 2024.

How much traffic does 160th ST over Running Slough Drain carry?

No traffic count is recorded for this structure.

How long is 160th ST over Running Slough Drain?

The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.5 m) and a deck 25 ft wide.

Who owns 160th ST over Running Slough Drain?

It is owned by the County Highway Agency.