US Bridges

P13 Valley Ave over Dd #83

Poor

Calhoun County, Iowa · 087311702 · Structure no. 000000000090990

Built
1917
108 years old, rebuilt 1995
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

P13 Valley Ave over Dd #83 is a steel stringer/multi-beam or girder carrying P13 Valley Ave over Dd #83 in Calhoun County, Iowa. It was built in 1917 and reconstructed in 1995, so it is 108 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 60 vehicles a day, roughly 13% of them trucks, projected to reach 60 by 2043. The structure is 32 ft (9.8 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesP13 Valley Ave
CrossesDd #83
Location087311702
RouteCounty Highway 0
StateIowa
Coordinates42.35407, -94.49478
Functional classRural Minor Collector

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57.9 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width49 ft (14.9 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$525,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was P13 Valley Ave over Dd #83 built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1995.

What condition is P13 Valley Ave over Dd #83 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 August 2023.

How much traffic does P13 Valley Ave over Dd #83 carry?

About 60 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is P13 Valley Ave over Dd #83?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 49 ft wide.

Who owns P13 Valley Ave over Dd #83?

It is owned by the County Highway Agency.