US Bridges

Hamilton Blvd over Perry Creek

Fair

Woodbury County, Iowa · 000000000 · Structure no. 000000000503270

Built
1959
66 years old, rebuilt 1991
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
153 ft
3 main spans
Daily traffic
10,721
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 1959 and reconstructed in 1991, 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 10,721 vehicles a day, roughly 1% of them trucks, projected to reach 10,721 by 2043. The structure is 153 ft (46.6 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHamilton Blvd
CrossesPerry Creek
Location000000000
RouteCity Street 0
CountyWoodbury County
StateIowa
Coordinates42.50712, -96.41661
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating51.6 US tons
Inventory rating30.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length153 ft (46.6 m)
Longest span59 ft (18 m)
Deck width63 ft (19.3 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,721 (2021)
Projected traffic10,721 by 2043
Trucks1%
Lanes on structure4
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 1959, making it 66 years old in 2025. It was reconstructed in 1991.

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 10,721 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Hamilton Blvd over Perry Creek?

The structure is 153 ft (46.6 m) long with a longest span of 59 ft (18 m) and a deck 63 ft wide.

Who owns Hamilton Blvd over Perry Creek?

It is owned by the City or Municipal Highway Agency.