US Bridges

Marsh Ave. over Small Stream

FairPosted for load

Butler County, Iowa · 092161802 · Structure no. 000000000088610

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
60 ft
2 main spans
Daily traffic
82
2022 count
Owner
County
County Highway Agency

About this bridge

Marsh Ave. over Small Stream is a concrete continuous slab carrying Marsh Ave. over Small Stream in Butler County, Iowa. It was built in 1961, so it is 64 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. Its operating status is: posted for load restriction.

It carries about 82 vehicles a day, projected to reach 82 by 2044. The structure is 60 ft (18.3 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesMarsh Ave.
CrossesSmall Stream
Location092161802
RouteCounty Highway 0
CountyButler County
StateIowa
Coordinates42.78634, -92.79029
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment7: Better than present minimum criteria
Operating rating33.8 US tons
Inventory rating20.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length60 ft (18.3 m)
Longest span31 ft (9.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82 (2022)
Projected traffic82 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Marsh Ave. over Small Stream built?

It was built in 1961, making it 64 years old in 2025.

What condition is Marsh Ave. over Small Stream 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 April 2024.

How much traffic does Marsh Ave. over Small Stream carry?

About 82 vehicles per day (2022 count).

How long is Marsh Ave. over Small Stream?

The structure is 60 ft (18.3 m) long with a longest span of 31 ft (9.4 m) and a deck 22 ft wide.

Who owns Marsh Ave. over Small Stream?

It is owned by the County Highway Agency.