US Bridges

595th Ave over Skunk River

Good

Story County, Iowa · 082232203 · Structure no. 000000000314161

Built
2002
23 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
301 ft
3 main spans
Daily traffic
290
2022 count
Owner
County
County Highway Agency

About this bridge

595th Ave over Skunk River is a prestressed concrete stringer/multi-beam or girder carrying 595th Ave over Skunk River in Story County, Iowa. It was built in 2002, so it is 23 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 290 vehicles a day, roughly 11% of them trucks, projected to reach 290 by 2043. The structure is 301 ft (91.7 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Carries595th Ave
CrossesSkunk River
Location082232203
RouteCounty Highway 0
StateIowa
Coordinates41.90397, -93.52061
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating90.7 US tons
Inventory rating34.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span107 ft (32.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2022)
Projected traffic290 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 595th Ave over Skunk River built?

It was built in 2002, making it 23 years old in 2025.

What condition is 595th Ave over Skunk River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does 595th Ave over Skunk River carry?

About 290 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is 595th Ave over Skunk River?

The structure is 301 ft (91.7 m) long with a longest span of 107 ft (32.6 m) and a deck 33 ft wide.

Who owns 595th Ave over Skunk River?

It is owned by the County Highway Agency.