US Bridges

US 34 WB over Beaverdale RD-X40

Fair

Des Moines County, Iowa · At Jct. of S.R. X40 · Structure no. 000000000607645

Built
2002
23 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
138 ft
1 main span
Daily traffic
3,700
2022 count
Owner
State
State Highway Agency

About this bridge

US 34 WB over Beaverdale RD-X40 is a prestressed concrete stringer/multi-beam or girder carrying US 34 WB over Beaverdale RD-X40 in Des Moines County, Iowa. It was built in 2002, so it is 23 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 3,700 vehicles a day, roughly 15% of them trucks, projected to reach 3,700 by 2044. The structure is 138 ft (42.1 m) long and 43 ft wide.

CarriesUS 34 WB
CrossesBeaverdale RD-X40
LocationAt Jct. of S.R. X40
RouteU.S. Route 34
StateIowa
Coordinates40.83525, -91.20821
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 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 alignment8: Equal to present desirable criteria
Operating rating98.4 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span134 ft (40.8 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2022)
Projected traffic3,700 by 2044
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 US 34 WB over Beaverdale RD-X40 built?

It was built in 2002, making it 23 years old in 2025.

What condition is US 34 WB over Beaverdale RD-X40 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 December 2024.

How much traffic does US 34 WB over Beaverdale RD-X40 carry?

About 3,700 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is US 34 WB over Beaverdale RD-X40?

The structure is 138 ft (42.1 m) long with a longest span of 134 ft (40.8 m) and a deck 43 ft wide.

Who owns US 34 WB over Beaverdale RD-X40?

It is owned by the State Highway Agency.