US Bridges

Hamilton Blvd over Perry Creek

Fair

Woodbury County, Iowa · 000000000 · Structure no. 000000000503280

Built
1971
54 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
131 ft
3 main spans
Daily traffic
18,291
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hamilton Blvd over Perry Creek is a concrete continuous slab carrying Hamilton Blvd over Perry Creek in Woodbury County, Iowa. It was built in 1971, so it is 54 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 18,291 vehicles a day, roughly 2% of them trucks, projected to reach 18,291 by 2043. The structure is 131 ft (39.9 m) long and 95 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHamilton Blvd
CrossesPerry Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates42.52503, -96.41591
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating47.2 US tons
Inventory rating28.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span50 ft (15.2 m)
Deck width95 ft (28.9 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,291 (2021)
Projected traffic18,291 by 2043
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Hamilton Blvd over Perry Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Hamilton Blvd over Perry 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 April 2023.

How much traffic does Hamilton Blvd over Perry Creek carry?

About 18,291 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Hamilton Blvd over Perry Creek?

The structure is 131 ft (39.9 m) long with a longest span of 50 ft (15.2 m) and a deck 95 ft wide.

Who owns Hamilton Blvd over Perry Creek?

It is owned by the City or Municipal Highway Agency.