US Bridges

Busti Ave over Drainage

Fair

Howard County, Iowa · 097130602 · Structure no. 000000000004561

Built
1986
39 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Prestressed Concrete
Length
58 ft
2 main spans
Daily traffic
840
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Busti Ave over Drainage is a prestressed concrete tee beam carrying Busti Ave over Drainage in Howard County, Iowa. It was built in 1986, so it is 39 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 840 vehicles a day, projected to reach 840 by 2043. The structure is 58 ft (17.7 m) long and 32 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

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CarriesBusti Ave
CrossesDrainage
Location097130602
RouteCity Street 0
CountyHoward County
StateIowa
Coordinates43.25122, -92.4359
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.
Superstructure7 GoodSome minor problems.
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 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 rating96.7 US tons
Inventory rating58 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length58 ft (17.7 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2021)
Projected traffic840 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCounty 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 Busti Ave over Drainage built?

It was built in 1986, making it 39 years old in 2025.

What condition is Busti Ave over Drainage 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 2023.

How much traffic does Busti Ave over Drainage carry?

About 840 vehicles per day (2021 count).

How long is Busti Ave over Drainage?

The structure is 58 ft (17.7 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Busti Ave over Drainage?

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