US Bridges

Cherry ST over Shell Rock River

Fair

Butler County, Iowa · 091151100 · Structure no. 000000000010280

Built
1915
110 years old, rebuilt 2011
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete Continuous
Length
266 ft
3 main spans
Daily traffic
3,435
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cherry ST over Shell Rock River is a concrete continuous arch - deck carrying Cherry ST over Shell Rock River in Butler County, Iowa. It was built in 1915 and reconstructed in 2011, so it is 110 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.

It carries about 3,435 vehicles a day, projected to reach 3,435 by 2044. The structure is 266 ft (81.1 m) long and 56 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesCherry ST
CrossesShell Rock River
Location091151100
RouteCity Street 0
CountyButler County
StateIowa
Coordinates42.71126, -92.58185
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length266 ft (81.1 m)
Longest span88 ft (26.8 m)
Deck width56 ft (17 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,435 (2022)
Projected traffic3,435 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on 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 Cherry ST over Shell Rock River built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 2011.

What condition is Cherry ST over Shell Rock River 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 March 2024.

How much traffic does Cherry ST over Shell Rock River carry?

About 3,435 vehicles per day (2022 count).

How long is Cherry ST over Shell Rock River?

The structure is 266 ft (81.1 m) long with a longest span of 88 ft (26.8 m) and a deck 56 ft wide.

Who owns Cherry ST over Shell Rock River?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.