US Bridges

Young RD over Poyner Creek

Fair

Black Hawk County, Iowa · 88-12-10-05-10 · Structure no. 000000000075031

Built
1992
33 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
52 ft
3 main spans
Daily traffic
148
2022 count
Owner
County
County Highway Agency

About this bridge

Young RD over Poyner Creek is a concrete continuous culvert carrying Young RD over Poyner Creek in Black Hawk County, Iowa. It was built in 1992, so it is 33 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 148 vehicles a day, projected to reach 148 by 2044. The structure is 52 ft (15.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesYoung RD
CrossesPoyner Creek
Location88-12-10-05-10
RouteCounty Highway 0
StateIowa
Coordinates42.45725, -92.22286
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 alignment7: Better than present minimum criteria
Operating rating32.2 US tons
Inventory rating29.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length52 ft (15.9 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 traffic148 (2022)
Projected traffic148 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Young RD over Poyner Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Young RD 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 March 2024.

How much traffic does Young RD over Poyner Creek carry?

About 148 vehicles per day (2022 count).

How long is Young RD over Poyner Creek?

The structure is 52 ft (15.9 m) long with a longest span of 18 ft (5.5 m).

Who owns Young RD over Poyner Creek?

It is owned by the County Highway Agency.