US Bridges

S 45 over White Breast Creek

Fair

Marion County, Iowa · 075212606 · Structure no. 000000000035281

Built
1979
46 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
177 ft
4 main spans
Daily traffic
1,810
2022 count
Owner
County
County Highway Agency

About this bridge

S 45 over White Breast Creek is a concrete continuous slab carrying S 45 over White Breast Creek in Marion County, Iowa. It was built in 1979, so it is 46 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 1,810 vehicles a day, roughly 7% of them trucks, projected to reach 1,810 by 2043. The structure is 177 ft (54 m) long and 39 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

Location

Open in Google Maps
CarriesS 45
CrossesWhite Breast Creek
Location075212606
RouteCounty Highway 0
CountyMarion County
StateIowa
Coordinates41.26831, -93.24415
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.8 US tons
Inventory rating40.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length177 ft (54 m)
Longest span49 ft (14.9 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,810 (2022)
Projected traffic1,810 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$50,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S 45 over White Breast Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is S 45 over White Breast 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 December 2023.

How much traffic does S 45 over White Breast Creek carry?

About 1,810 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is S 45 over White Breast Creek?

The structure is 177 ft (54 m) long with a longest span of 49 ft (14.9 m) and a deck 39 ft wide.

Who owns S 45 over White Breast Creek?

It is owned by the County Highway Agency.