US Bridges

Beardsley Street over Sm Stream

Fair

Warren County, Iowa · 077251200 · Structure no. 000000000335411

Built
1989
36 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
616
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Beardsley Street over Sm Stream is a concrete continuous slab carrying Beardsley Street over Sm Stream in Warren County, Iowa. It was built in 1989, so it is 36 years old, younger 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 616 vehicles a day, projected to reach 616 by 2043. The structure is 78 ft (23.8 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesBeardsley Street
CrossesSm Stream
Location077251200
RouteCity Street 0
CountyWarren County
StateIowa
Coordinates41.49748, -93.69211
Functional classUrban 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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.6 US tons
Inventory rating40.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic616 (2021)
Projected traffic616 by 2043
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Beardsley Street over Sm Stream built?

It was built in 1989, making it 36 years old in 2025.

What condition is Beardsley Street over Sm 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 May 2023.

How much traffic does Beardsley Street over Sm Stream carry?

About 616 vehicles per day (2021 count).

How long is Beardsley Street over Sm Stream?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.

Who owns Beardsley Street over Sm Stream?

It is owned by the City or Municipal Highway Agency.