US Bridges

S 3rd ST over Poyner Creek

Fair

Black Hawk County, Iowa · 88-12-02-02-05 · Structure no. 000000000015140

Built
1959
66 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
50 ft
3 main spans
Daily traffic
5,694
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

S 3rd ST over Poyner Creek is a concrete continuous culvert carrying S 3rd ST over Poyner Creek in Black Hawk 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 5,694 vehicles a day, projected to reach 5,694 by 2043. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS 3rd ST
CrossesPoyner Creek
Location88-12-02-02-05
RouteCity Street 0
CountyBlack Hawk County
StateIowa
Coordinates42.46109, -92.21969
Functional classUrban Other Principal Arterial

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length50 ft (15.2 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,694 (2022)
Projected traffic5,694 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S 3rd ST over Poyner Creek built?

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

What condition is S 3rd ST over Poyner 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 December 2023.

How much traffic does S 3rd ST over Poyner Creek carry?

About 5,694 vehicles per day (2022 count).

How long is S 3rd ST over Poyner Creek?

The structure is 50 ft (15.2 m) long with a longest span of 18 ft (5.5 m).

Who owns S 3rd ST over Poyner Creek?

It is owned by the City or Municipal Highway Agency.