US Bridges

Hickory Ave over Calmus Creek

PoorPosted for load

Cerro Gordo County, Iowa · 097212004 · Structure no. 000000000106850

Built
1917
108 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
25 ft
1 main span
Daily traffic
44
2022 count
Owner
County
County Highway Agency

About this bridge

Hickory Ave over Calmus Creek is a concrete stringer/multi-beam or girder carrying Hickory Ave over Calmus Creek in Cerro Gordo County, Iowa. It was built in 1917, so it is 108 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. Its operating status is: posted for load restriction.

It carries about 44 vehicles a day, projected to reach 44 by 2044. The structure is 25 ft (7.6 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHickory Ave
CrossesCalmus Creek
Location097212004
RouteCounty Highway 0
StateIowa
Coordinates43.20945, -93.34956
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating18.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44 (2022)
Projected traffic44 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hickory Ave over Calmus Creek built?

It was built in 1917, making it 108 years old in 2025.

What condition is Hickory Ave over Calmus 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 January 2024.

How much traffic does Hickory Ave over Calmus Creek carry?

About 44 vehicles per day (2022 count).

How long is Hickory Ave over Calmus Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns Hickory Ave over Calmus Creek?

It is owned by the County Highway Agency.