US Bridges

WB US 34 over Broadway Ave

Fair

Des Moines County, Iowa · 1.0 Mi. W of Jct. U.S. 61 · Structure no. 000000000600810

Built
1976
49 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
6,550
2022 count
Owner
State
State Highway Agency

About this bridge

WB US 34 over Broadway Ave is a prestressed concrete stringer/multi-beam or girder carrying WB US 34 over Broadway Ave in Des Moines County, Iowa. It was built in 1976, so it is 49 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 6,550 vehicles a day, roughly 12% of them trucks, projected to reach 6,550 by 2044. The structure is 155 ft (47.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWB US 34
CrossesBroadway Ave
Location1.0 Mi. W of Jct. U.S. 61
RouteU.S. Route 34
StateIowa
Coordinates40.81683, -91.15653
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span61 ft (18.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,550 (2022)
Projected traffic6,550 by 2044
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 WB US 34 over Broadway Ave built?

It was built in 1976, making it 49 years old in 2025.

What condition is WB US 34 over Broadway Ave 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 April 2024.

How much traffic does WB US 34 over Broadway Ave carry?

About 6,550 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is WB US 34 over Broadway Ave?

The structure is 155 ft (47.2 m) long with a longest span of 61 ft (18.6 m) and a deck 43 ft wide.

Who owns WB US 34 over Broadway Ave?

It is owned by the State Highway Agency.