US Bridges

W 28th ST over Perry Creek

Good

Woodbury County, Iowa · 000000000 · Structure no. 000000000010611

Built
1995
30 years old
Condition
Good
inspected April 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
6,989
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

W 28th ST over Perry Creek is a prestressed concrete stringer/multi-beam or girder carrying W 28th ST over Perry Creek in Woodbury County, Iowa. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,989 vehicles a day, projected to reach 6,989 by 2043. The structure is 152 ft (46.3 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW 28th ST
CrossesPerry Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates42.51881, -96.4198
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.6 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span60 ft (18.3 m)
Deck width47 ft (14.3 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,989 (2022)
Projected traffic6,989 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 28th ST over Perry Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is W 28th 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 2021.

How much traffic does W 28th ST over Perry Creek carry?

About 6,989 vehicles per day (2022 count).

How long is W 28th ST over Perry Creek?

The structure is 152 ft (46.3 m) long with a longest span of 60 ft (18.3 m) and a deck 47 ft wide.

Who owns W 28th ST over Perry Creek?

It is owned by the City or Municipal Highway Agency.