US Bridges

SW Eagle Ave over Stream

Fair

Johnson County, Iowa · 079081504 · Structure no. 000000000204400

Built
1900
125 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
35
2021 count
Owner
County
County Highway Agency

About this bridge

SW Eagle Ave over Stream is a concrete continuous culvert carrying SW Eagle Ave over Stream in Johnson County, Iowa. It was built in 1900, so it is 125 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 35 vehicles a day, projected to reach 35 by 2043. The structure is 28 ft (8.5 m) long.

Location

Open in Google Maps
CarriesSW Eagle Ave
CrossesStream
Location079081504
RouteCounty Highway 0
CountyJohnson County
StateIowa
Coordinates41.65447, -91.77004
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 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 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2021)
Projected traffic35 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW Eagle Ave over Stream built?

It was built in 1900, making it 125 years old in 2025.

What condition is SW Eagle Ave over 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 SW Eagle Ave over Stream carry?

About 35 vehicles per day (2021 count).

How long is SW Eagle Ave over Stream?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m).

Who owns SW Eagle Ave over Stream?

It is owned by the County Highway Agency.