US Bridges

US 61 over US 34

Fair

Des Moines County, Iowa · At Jct. U.S. 34 · Structure no. 000000000602870

Built
1973
52 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
256 ft
4 main spans
Daily traffic
16,700
2022 count
Owner
State
State Highway Agency

About this bridge

US 61 over US 34 is a prestressed concrete stringer/multi-beam or girder carrying US 61 over US 34 in Des Moines County, Iowa. It was built in 1973, so it is 52 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 5 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 16,700 vehicles a day, roughly 6% of them trucks, projected to reach 16,700 by 2043. The structure is 256 ft (78 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 61
CrossesUS 34
LocationAt Jct. U.S. 34
RouteU.S. Route 61
StateIowa
Coordinates40.81724, -91.14135
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating62.4 US tons
Inventory rating25.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length256 ft (78 m)
Longest span82 ft (25 m)
Deck width73 ft (22.4 m)
Roadway width72 ft (22 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,700 (2022)
Projected traffic16,700 by 2043
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
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 61 over US 34 built?

It was built in 1973, making it 52 years old in 2025.

What condition is US 61 over US 34 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 November 2023.

How much traffic does US 61 over US 34 carry?

About 16,700 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US 61 over US 34?

The structure is 256 ft (78 m) long with a longest span of 82 ft (25 m) and a deck 73 ft wide.

Who owns US 61 over US 34?

It is owned by the State Highway Agency.