US Bridges

Wb/Nb Ia 141 over Ia 44

Fair

Polk County, Iowa · At Junction Iowa 44 · Structure no. 000000000602922

Built
1974
51 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
223 ft
4 main spans
Daily traffic
9,200
2022 count
Owner
State
State Highway Agency

About this bridge

Wb/Nb Ia 141 over Ia 44 is a prestressed concrete stringer/multi-beam or girder carrying Wb/Nb Ia 141 over Ia 44 in Polk County, Iowa. It was built in 1974, so it is 51 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 9,200 vehicles a day, roughly 6% of them trucks, projected to reach 9,200 by 2044. The structure is 223 ft (68 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesWb/Nb Ia 141
CrossesIa 44
LocationAt Junction Iowa 44
RouteState Highway 141
CountyPolk County
StateIowa
Coordinates41.68813, -93.77415
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 alignment7: Better than present minimum criteria
Operating rating81.7 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length223 ft (68 m)
Longest span65 ft (19.8 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,200 (2022)
Projected traffic9,200 by 2044
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Wb/Nb Ia 141 over Ia 44 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Wb/Nb Ia 141 over Ia 44 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 March 2024.

How much traffic does Wb/Nb Ia 141 over Ia 44 carry?

About 9,200 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Wb/Nb Ia 141 over Ia 44?

The structure is 223 ft (68 m) long with a longest span of 65 ft (19.8 m) and a deck 44 ft wide.

Who owns Wb/Nb Ia 141 over Ia 44?

It is owned by the State Highway Agency.