US Bridges

160th Ave over Cedar Fork Creek

Fair

Des Moines County, Iowa · 071270801 · Structure no. 000000000144331

Built
2016
9 years old
Condition
Fair
inspected September 2024
Type
Slab
Steel
Length
54 ft
1 main span
Daily traffic
91
2022 count
Owner
County
County Highway Agency

About this bridge

160th Ave over Cedar Fork Creek is a steel slab carrying 160th Ave over Cedar Fork Creek in Des Moines County, Iowa. It was built in 2016, so it is 9 years old, younger 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 91 vehicles a day, projected to reach 91 by 2044. The structure is 54 ft (16.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries160th Ave
CrossesCedar Fork Creek
Location071270801
RouteCounty Highway 0
StateIowa
Coordinates41.00333, -91.23702
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.4 US tons
Inventory rating44.5 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span51 ft (15.5 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2022)
Projected traffic91 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 160th Ave over Cedar Fork Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is 160th Ave over Cedar Fork Creek 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 September 2024.

How much traffic does 160th Ave over Cedar Fork Creek carry?

About 91 vehicles per day (2022 count).

How long is 160th Ave over Cedar Fork Creek?

The structure is 54 ft (16.5 m) long with a longest span of 51 ft (15.5 m) and a deck 25 ft wide.

Who owns 160th Ave over Cedar Fork Creek?

It is owned by the County Highway Agency.