US Bridges

US 34 WB over Ia 16

Fair

Wapello County, Iowa · At Jct. Ia 16 and SR V43 · Structure no. 000000000609380

Built
2006
19 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
221 ft
3 main spans
Daily traffic
3,900
2022 count
Owner
State
State Highway Agency

About this bridge

US 34 WB over Ia 16 is a prestressed concrete stringer/multi-beam or girder carrying US 34 WB over Ia 16 in Wapello County, Iowa. It was built in 2006, so it is 19 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 3,900 vehicles a day, roughly 24% of them trucks, projected to reach 3,900 by 2044. The structure is 221 ft (67.4 m) long and 43 ft wide.

CarriesUS 34 WB
CrossesIa 16
LocationAt Jct. Ia 16 and SR V43
RouteU.S. Route 34
StateIowa
Coordinates40.99831, -92.23646
Functional classRural Principal Arterial - Other

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 inspectionSeptember 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 rating97.6 US tons
Inventory rating36.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length221 ft (67.4 m)
Longest span116 ft (35.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2022)
Projected traffic3,900 by 2044
Trucks24%
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 US 34 WB over Ia 16 built?

It was built in 2006, making it 19 years old in 2025.

What condition is US 34 WB over Ia 16 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 September 2024.

How much traffic does US 34 WB over Ia 16 carry?

About 3,900 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is US 34 WB over Ia 16?

The structure is 221 ft (67.4 m) long with a longest span of 116 ft (35.4 m) and a deck 43 ft wide.

Who owns US 34 WB over Ia 16?

It is owned by the State Highway Agency.