US Bridges

3rd ST over Small Stream

Fair

Johnson County, Iowa · 000000000 · Structure no. 000000000502750

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
260
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

3rd ST over Small Stream is a concrete slab carrying 3rd ST over Small Stream in Johnson County, Iowa. It was built in 1980, so it is 45 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 260 vehicles a day, projected to reach 260 by 2044. The structure is 29 ft (8.8 m) long and 22 ft wide.

Location

Open in Google Maps
Carries3rd ST
CrossesSmall Stream
Location000000000
RouteCity Street 0
CountyJohnson County
StateIowa
Coordinates41.84453, -91.69789
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.2 US tons
Inventory rating18.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2022)
Projected traffic260 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 3rd ST over Small Stream built?

It was built in 1980, making it 45 years old in 2025.

What condition is 3rd ST over Small 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 October 2024.

How much traffic does 3rd ST over Small Stream carry?

About 260 vehicles per day (2022 count).

How long is 3rd ST over Small Stream?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 22 ft wide.

Who owns 3rd ST over Small Stream?

It is owned by the City or Municipal Highway Agency.