US Bridges

US 34 over Cedar Creek

Fair

Monroe County, Iowa · 4.4 Mi. W of Jct. Ia 5 · Structure no. 000000000037390

Built
1964
61 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
208 ft
3 main spans
Daily traffic
2,250
2022 count
Owner
State
State Highway Agency

About this bridge

US 34 over Cedar Creek is a prestressed concrete stringer/multi-beam or girder carrying US 34 over Cedar Creek in Monroe County, Iowa. It was built in 1964, so it is 61 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 2,250 vehicles a day, roughly 25% of them trucks, projected to reach 2,250 by 2043. The structure is 208 ft (63.4 m) long and 36 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesUS 34
CrossesCedar Creek
Location4.4 Mi. W of Jct. Ia 5
RouteU.S. Route 34
StateIowa
Coordinates41.01107, -92.89185
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.6 US tons
Inventory rating52.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span81 ft (24.7 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2022)
Projected traffic2,250 by 2043
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 34 over Cedar Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 34 over Cedar Creek 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 2023.

How much traffic does US 34 over Cedar Creek carry?

About 2,250 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is US 34 over Cedar Creek?

The structure is 208 ft (63.4 m) long with a longest span of 81 ft (24.7 m) and a deck 36 ft wide.

Who owns US 34 over Cedar Creek?

It is owned by the State Highway Agency.