US Bridges

Cameo Ave over Rock Creek

FairPosted for load

Mitchell County, Iowa · 098180902 · Structure no. 000000000248111

Built
1974
51 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
33
2022 count
Owner
County
County Highway Agency

About this bridge

Cameo Ave over Rock Creek is a concrete continuous slab carrying Cameo Ave over Rock Creek in Mitchell 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 33 vehicles a day, projected to reach 33 by 2043. The structure is 78 ft (23.8 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCameo Ave
CrossesRock Creek
Location098180902
RouteCounty Highway 0
CountyMitchell County
StateIowa
Coordinates43.31437, -92.98452
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating37.6 US tons
Inventory rating24.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2022)
Projected traffic33 by 2043
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 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 Cameo Ave over Rock Creek built?

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

What condition is Cameo Ave over Rock 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 Cameo Ave over Rock Creek carry?

About 33 vehicles per day (2022 count).

How long is Cameo Ave over Rock Creek?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Cameo Ave over Rock Creek?

It is owned by the County Highway Agency.