US Bridges

Larsen Park RD over Perry Creek

Poor

Woodbury County, Iowa · 000000000 · Structure no. 000000000010475

Built
1963
62 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
56 ft
1 main span
Daily traffic
2,330
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Larsen Park RD over Perry Creek is a concrete stringer/multi-beam or girder carrying Larsen Park RD over Perry Creek in Woodbury County, Iowa. It was built in 1963, so it is 62 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,330 vehicles a day, roughly 2% of them trucks, projected to reach 2,330 by 2044. The structure is 56 ft (17.1 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLarsen Park RD
CrossesPerry Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates42.48986, -96.41094
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,330 (2022)
Projected traffic2,330 by 2044
Trucks2%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Larsen Park RD over Perry Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Larsen Park RD over Perry Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Larsen Park RD over Perry Creek carry?

About 2,330 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Larsen Park RD over Perry Creek?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 22 ft wide.

Who owns Larsen Park RD over Perry Creek?

It is owned by the City or Municipal Highway Agency.