US Bridges

I 235 WB over Hull Avenue

Good

Polk County, Iowa · 0.4 Mile S of JCT US 6 · Structure no. 000000000043031

Built
2005
20 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
228 ft
3 main spans
Daily traffic
37,300
2022 count
Owner
State
State Highway Agency

About this bridge

I 235 WB over Hull Avenue is a prestressed concrete stringer/multi-beam or girder carrying I 235 WB over Hull Avenue in Polk County, Iowa. It was built in 2005, so it is 20 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 37,300 vehicles a day, roughly 8% of them trucks, projected to reach 37,300 by 2044. The structure is 228 ft (69.5 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 235 WB
CrossesHull Avenue
Location0.4 Mile S of JCT US 6
RouteInterstate 235
StateIowa
Coordinates41.62252, -93.57613
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating41.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span116 ft (35.4 m)
Deck width62 ft (19 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,300 (2022)
Projected traffic37,300 by 2044
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 235 WB over Hull Avenue built?

It was built in 2005, making it 20 years old in 2025.

What condition is I 235 WB over Hull Avenue 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 January 2024.

How much traffic does I 235 WB over Hull Avenue carry?

About 37,300 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is I 235 WB over Hull Avenue?

The structure is 228 ft (69.5 m) long with a longest span of 116 ft (35.4 m) and a deck 62 ft wide.

Who owns I 235 WB over Hull Avenue?

It is owned by the State Highway Agency.