US Bridges

Ashworth RD over I-35

Fair

Polk County, Iowa · 0.5 Mile S of S JCT I-80 · Structure no. 000000000041231

Built
1991
34 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
222 ft
3 main spans
Daily traffic
13,374
2022 count
Owner
State
State Highway Agency

About this bridge

Ashworth RD over I-35 is a prestressed concrete stringer/multi-beam or girder carrying Ashworth RD over I-35 in Polk County, Iowa. It was built in 1991, so it is 34 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 13,374 vehicles a day, projected to reach 13,374 by 2044. The structure is 222 ft (67.7 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAshworth RD
CrossesI-35
Location0.5 Mile S of S JCT I-80
RouteCity Street 0
StateIowa
Coordinates41.58451, -93.77804
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.2 US tons
Inventory rating36.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span91 ft (27.7 m)
Deck width73 ft (22.3 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,374 (2022)
Projected traffic13,374 by 2044
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ashworth RD over I-35 built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ashworth RD over I-35 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 July 2024.

How much traffic does Ashworth RD over I-35 carry?

About 13,374 vehicles per day (2022 count).

How long is Ashworth RD over I-35?

The structure is 222 ft (67.7 m) long with a longest span of 91 ft (27.7 m) and a deck 73 ft wide.

Who owns Ashworth RD over I-35?

It is owned by the State Highway Agency.