US Bridges

W 23rd ST over Perry Creek

Good

Woodbury County, Iowa · 000000000 · Structure no. 000000000505120

Built
2011
14 years old
Condition
Good
inspected April 2022
Type
Tee Beam
Prestressed Concrete
Length
214 ft
3 main spans
Daily traffic
283
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

W 23rd ST over Perry Creek is a prestressed concrete tee beam carrying W 23rd ST over Perry Creek in Woodbury County, Iowa. It was built in 2011, so it is 14 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 283 vehicles a day, projected to reach 283 by 2043. The structure is 214 ft (65.2 m) long and 41 ft wide.

CarriesW 23rd ST
CrossesPerry Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates42.51423, -96.41989
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length214 ft (65.2 m)
Longest span71 ft (21.6 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic283 (2022)
Projected traffic283 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

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 W 23rd ST over Perry Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is W 23rd ST over Perry Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does W 23rd ST over Perry Creek carry?

About 283 vehicles per day (2022 count).

How long is W 23rd ST over Perry Creek?

The structure is 214 ft (65.2 m) long with a longest span of 71 ft (21.6 m) and a deck 41 ft wide.

Who owns W 23rd ST over Perry Creek?

It is owned by the City or Municipal Highway Agency.