US Bridges

Hamiltn at 35th over Perry Creek

Fair

Woodbury County, Iowa · 000000000 · Structure no. 000000000501240

Built
1970
55 years old, rebuilt 2013
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
188 ft
3 main spans
Daily traffic
14,345
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hamiltn at 35th over Perry Creek is a steel continuous stringer/multi-beam or girder carrying Hamiltn at 35th over Perry Creek in Woodbury County, Iowa. It was built in 1970 and reconstructed in 2013, so it is 55 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 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 14,345 vehicles a day, roughly 2% of them trucks, projected to reach 14,345 by 2044. The structure is 188 ft (57.3 m) long and 58 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHamiltn at 35th
CrossesPerry Creek
Location000000000
RouteCity Street 0
CountyWoodbury County
StateIowa
Coordinates42.53121, -96.41093
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length188 ft (57.3 m)
Longest span78 ft (23.8 m)
Deck width58 ft (17.6 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,345 (2022)
Projected traffic14,345 by 2044
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamiltn at 35th over Perry Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2013.

What condition is Hamiltn at 35th 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 2024.

How much traffic does Hamiltn at 35th over Perry Creek carry?

About 14,345 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Hamiltn at 35th over Perry Creek?

The structure is 188 ft (57.3 m) long with a longest span of 78 ft (23.8 m) and a deck 58 ft wide.

Who owns Hamiltn at 35th over Perry Creek?

It is owned by the City or Municipal Highway Agency.