US Bridges

L51 Brady Ave over Creek

Fair

Ida County, Iowa · 087412102 · Structure no. 000000000186460

Built
1959
66 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
429
2022 count
Owner
County
County Highway Agency

About this bridge

L51 Brady Ave over Creek is a concrete continuous culvert carrying L51 Brady Ave over Creek in Ida County, Iowa. It was built in 1959, so it is 66 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.

It carries about 429 vehicles a day, roughly 19% of them trucks, projected to reach 429 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesL51 Brady Ave
CrossesCreek
Location087412102
RouteCounty Highway 0
CountyIda County
StateIowa
Coordinates42.33168, -95.62848
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic429 (2022)
Projected traffic429 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 L51 Brady Ave over Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is L51 Brady Ave over 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 March 2023.

How much traffic does L51 Brady Ave over Creek carry?

About 429 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is L51 Brady Ave over Creek?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m).

Who owns L51 Brady Ave over Creek?

It is owned by the County Highway Agency.