US Bridges

US 34 over Little White Breast Ck

Fair

Lucas County, Iowa · 2.5 Mi. W of Jct. SR S56 · Structure no. 000000000034340

Built
1958
67 years old
Condition
Fair
inspected August 2022
Type
Slab
Concrete Continuous
Length
129 ft
3 main spans
Daily traffic
3,080
2022 count
Owner
State
State Highway Agency

About this bridge

US 34 over Little White Breast Ck is a concrete continuous slab carrying US 34 over Little White Breast Ck in Lucas County, Iowa. It was built in 1958, so it is 67 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 3,080 vehicles a day, roughly 18% of them trucks, projected to reach 3,080 by 2042. The structure is 129 ft (39.3 m) long and 34 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesUS 34
CrossesLittle White Breast Ck
Location2.5 Mi. W of Jct. SR S56
RouteU.S. Route 34
StateIowa
Coordinates41.00027, -93.24181
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.2 US tons
Inventory rating38.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length129 ft (39.3 m)
Longest span48 ft (14.6 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,080 (2022)
Projected traffic3,080 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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 Little White Breast Ck built?

It was built in 1958, making it 67 years old in 2025.

What condition is US 34 over Little White Breast Ck 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 August 2022.

How much traffic does US 34 over Little White Breast Ck carry?

About 3,080 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US 34 over Little White Breast Ck?

The structure is 129 ft (39.3 m) long with a longest span of 48 ft (14.6 m) and a deck 34 ft wide.

Who owns US 34 over Little White Breast Ck?

It is owned by the State Highway Agency.