US Bridges

FAS 3556 over Creek

Poor

Hamilton County, Iowa · 086230602 · Structure no. 000000000170650

Built
1947
78 years old
Condition
Poor
inspected September 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
478
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 3556 over Creek is a concrete continuous culvert carrying FAS 3556 over Creek in Hamilton County, Iowa. It was built in 1947, so it is 78 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 478 vehicles a day, roughly 8% of them trucks, projected to reach 478 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAS 3556
CrossesCreek
Location086230602
RouteCounty Highway 0
StateIowa
Coordinates42.28895, -93.58143
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.3 US tons
Inventory rating34.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic478 (2022)
Projected traffic478 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 3556 over Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is FAS 3556 over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does FAS 3556 over Creek carry?

About 478 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is FAS 3556 over Creek?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m).

Who owns FAS 3556 over Creek?

It is owned by the County Highway Agency.