US Bridges

S60 235th ST over Walnut Creek

Fair

Wayne County, Iowa · 069202610 · Structure no. 000000000052020

Built
1958
67 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
980
2022 count
Owner
County
County Highway Agency

About this bridge

S60 235th ST over Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying S60 235th ST over Walnut Creek in Wayne County, Iowa. It was built in 1958, so it is 67 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 980 vehicles a day, projected to reach 980 by 2043. The structure is 120 ft (36.6 m) long and 34 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesS60 235th ST
CrossesWalnut Creek
Location069202610
RouteCounty Highway 0
CountyWayne County
StateIowa
Coordinates40.74131, -93.12596
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2022
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 alignment6: Equal to present minimum criteria
Operating rating55.8 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length120 ft (36.6 m)
Longest span56 ft (17.1 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic980 (2022)
Projected traffic980 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 S60 235th ST over Walnut Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is S60 235th ST over Walnut 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 October 2022.

How much traffic does S60 235th ST over Walnut Creek carry?

About 980 vehicles per day (2022 count).

How long is S60 235th ST over Walnut Creek?

The structure is 120 ft (36.6 m) long with a longest span of 56 ft (17.1 m) and a deck 34 ft wide.

Who owns S60 235th ST over Walnut Creek?

It is owned by the County Highway Agency.