US Bridges

Ia 7 over Over Cc RR

Fair

Calhoun County, Iowa · 0.8 Mi. E of SR P19 · Structure no. 000000000016981

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
312 ft
3 main spans
Daily traffic
2,560
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 7 over Over Cc RR is a steel continuous stringer/multi-beam or girder carrying Ia 7 over Over Cc RR in Calhoun County, Iowa. It was built in 1974, so it is 51 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 2,560 vehicles a day, roughly 13% of them trucks, projected to reach 2,560 by 2042. The structure is 312 ft (95.1 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesIa 7
CrossesOver Cc RR
Location0.8 Mi. E of SR P19
RouteState Highway 7
CountyCalhoun County
StateIowa
Coordinates42.51745, -94.44772
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.9 US tons
Inventory rating29.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length312 ft (95.1 m)
Longest span119 ft (36.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,560 (2022)
Projected traffic2,560 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 7 over Over Cc RR built?

It was built in 1974, making it 51 years old in 2025.

What condition is Ia 7 over Over Cc RR 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 May 2023.

How much traffic does Ia 7 over Over Cc RR carry?

About 2,560 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Ia 7 over Over Cc RR?

The structure is 312 ft (95.1 m) long with a longest span of 119 ft (36.3 m) and a deck 47 ft wide.

Who owns Ia 7 over Over Cc RR?

It is owned by the State Highway Agency.