US Bridges

Dove Ave over Silver Creek

Fair

Clayton County, Iowa · 095052902 · Structure no. 000000000121251

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
41
2022 count
Owner
County
County Highway Agency

About this bridge

Dove Ave over Silver Creek is a concrete culvert carrying Dove Ave over Silver Creek in Clayton County, Iowa. It was built in 1984, so it is 41 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 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 41 vehicles a day, projected to reach 41 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesDove Ave
CrossesSilver Creek
Location095052902
RouteCounty Highway 0
CountyClayton County
StateIowa
Coordinates43.01651, -91.46877
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2022)
Projected traffic41 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Dove Ave over Silver Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Dove Ave over Silver 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 September 2024.

How much traffic does Dove Ave over Silver Creek carry?

About 41 vehicles per day (2022 count).

How long is Dove Ave over Silver Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Dove Ave over Silver Creek?

It is owned by the County Highway Agency.